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SRM Workshop Services and special products guide 2013


NB This is a temporary services and special products guide, we are currently working on a new one for 2014 , if you have any queries or requirements please send us an email. Who are we?

SRM Engineering has been in the business of classic bike design, renovation and innovation since 1980. SRM is a team of dedicated motorcycle enthusiasts commited to the continual improvement of the classic bikes we all love and cherish. We consider ourselves to be an on-going R&D department, not just keeping the bikes running beautifully but constantly inovating to realize the full potential of the bikes as if they had been continually developed from the factory!

Production Facilities Research + development

SRM design and CNC manufacture an exclusive range of improved parts for classic Norton BSA and Triumph motorcycles. Our in-house design and development team uses the industry standard for both design and CNC manufacture to enable us to design, fabricate and prototype all under one roof. Our design and manufacture is a process of continual assesment and testing of our prototypes from initial production samples to final production parts. Our aim is to supply products and design innovation that take the anxiety out of classic bike ownership. SRM continue to offer proven quality for engine rebuilds, electrical refurb, wheel building, suspension and braking improvement, paintwork, performance upgrades and race preparation SRM parts are available worldwide directly from our online web-shop and also by phone or written order. We also distribute our products through trusted importers/distributors;

JRC Engineering www.jrceng.com 951-940-5411 British Cycle Supply Co. www.britcycle.com (201) 880-0366

British Cycle Supply Co. www.britcycle.com (902) 542-7478

British Spares NZ

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www.britishspares.com 64-4-939-8819


INDEX Engine and Gearbox services

Page 4

Wheel services

Page 15

Electrical services

Page 20

Special products and services

Page 33

Rolling Road Diagnostics

Page 39

Engine Tuning/Race prep

Page 40

Blue-Book Restorations

Page 41

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Engine & Gearbox Re-conditioning service

We re-condition on average 250+ engines per year, SRM believe the only standard for engine rebuild is as good as new, with the additon of many of our exclusive parts, we are confident we will return your engine in a “better than new” state. We can give a strip down and autopsy before we commence work on your engine, it is inspected for wear, damage, problems and assessment. An estimate is then compiled listing all new parts, engineering work and repairs required include a list of options such as exterior cosmetics and other useful modifications, options such as dynamic balancing, lead free conversion, tuning options etc etc. This allows you to tailor the work to your requirements. Please note that on an estimate is exactly that, we cannot foresee all problems and further additional work can only become apparent on the final assembly of the engine. SRMAUTOPSY

Strip inspect and estimate cost of repairs to full engine ....... £163.50

Needle roller bearing & oil feed conversion

SRM have pioneered and developed this conversion for both the A10 and A65. BSA were aware of the shortcomings of the crankshaft bush and were beginning to develop their own crank oil feed conversions mainly for use with their racing engines. Our needle roller and oil end feed conversion completely eliminates the troublesome timing side bush. This is replaced by a combined ball and needle roller bearing which withstands substantial radial and axial load, the combined bearing eliminates end float, it locks the crankshaft to the timing side so no more shimming! The oil ways are altered and re-routed so the oil is fed directly from the oil pump to the big ends (via an oil seal housed in the timing casings) and through an end feed quill situated in the end of the crankshaft. Oil pressure and delivery to the big ends is uprated by at least 40 %. Early Triumph 3TA 5TA`s etc using a similar bush can be converted in this way also, to give long reliable mileage. To carry out the conversion we need the following components:1) Crankshaft 2) Both crank case halves 3) Inner and outer timing covers 4) Oil pump 5) Idler pinion gear 6) Crank shaft pinion gear 7) Oil pressure release valve 8) Left Hand Crank Lock nut (A7/A10) SRMNR1Needle Roller Bearing Conversion 1968 on .........................£441.22 SRMNR2Needle Roller Bearing Conversion 1962-67 ........................ £441.22 SRMNR3Needle Roller Bearing Conversion A7 A10 ...........................£441.22 SRMNR4Needle Roller Bearing Conversion 3TA 5TA ........................ .£409.82 SRMNR5Needle Roller Bearing Conversion Ariel Huntsmaster...........£441.82

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Crankshaft main bush BSA & Triumph twins

Although the needle roller conversion and oil end feed conversion is an advantage and superior to the standard main bush. If you wish to retain the main bush it is esential that the main bush is fitted and machined to its correct tolerances. Firstly the sludge trap is cleaned out and then the crankshaft main journal re ground. The crank is then cleaned once more prior to re assembling the sludge trap. The crankcase bush housing is checked for correct tolerance and ovality. A main bush with an undersize internal diameter is fitted to the casing. The bush is bored perfectly in line and to an exact tolerance to suit the crankshaft journal. The bush is then flashed honed to give a correct oil retaining surface. The crankshaft can then be shimmed to its correct end float in the crankcases, it is now ready for assembly. If the timing side bearing housing is oversized or damaged it needs to be jig bored to an (over) size and an appropriate bush fitted (A7, A10) only. High Quality SRM bushes are also sold separately SRMRG2 Crank Regrind main journal........................... ....£31.49 SRMCS6 Sludge Trap cleaned re assembled......................£35.79 SRMCC13 Fit main bush and jig bore to size .....................£48.17 SRMCC18 Jig bore housing....(bush housing A7/A10)........£53.91 SRMCS9 Shim Crank to cases............................................£42.94

67.0790 68.0015 68.0657 68.0633/5 68.0685

A10 Solid one piece bronze bush.......£41.08 A65 Early bush (Exchange Only)......£41.08 A65 Late bush ......( 1966 on).............£41.08 Shim Set.............................................£7.27 A65 Crank bush thrust washer............£11.96

All our crankshafts are reground accurately to the correct specification radii, sizes vary with each individual crank. The main journals are generally ground to the necessary undersize, they are then highly polished to the correct surface finish. SRM SRMRG2 SRMCS1 SRMCS10 SRMCS11 SRMCS12 SRMCS16 SRMCS17 SRMCS18 SRMCS19 SRMCS2 SRMCS3 SRMCS4 SRMCS6

CrankRgrind big end each ...............................................£25.24 Crank Regrind main journal ............................................£31.49 Crankshaft sleeved and ground on shafts........................£86.00 Crankshaft lightened ......................................................£85.87 Crankshaft crack tested ...................................................£51.61 Remove and refit flywheel ...............................................£35.75 Polish to clean big end journal ........................................£12.89 Renew crank end feed quill .............................................£45.43 Strip and reassemble Norton bolt together crank ..........£42.94 Grind end quill to clean damage ...............(Triumph).......£31.20 Crankshaft Spline repaired .........(BSA).............................£97.47 Crankshaft threads welded recut thread .........................£97.47 Rotor Keyway welded, ground and recut ...........................£71.56 Sludge Trap cleaned re assembled ......................................£35.79

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SRMCS9 Crankshaft shimmed to cases ............................................£42.94 SRMCS1 Sleeve Ball/Roller bearing journal grind to size .................£86.00 SRMCS20 Fit Con Rods to Crank........................................................£36.40 67.1220 (early) Sludge Tube.........................................................£9.75 70.3903 (late) Sludge tube..........................................................£9.88 68.0580/1 Flywheel Bolts (set of 3)............................................£17.71

Crankshafts At SRM we recommend our customers have their crankshaft balanced as part of their engine rebuilds. We pride ourselves in ensuring that each crankshaft leaving our factory has been carefully dynamically balanced, using our Borgo EDC 50, which ensures vibration has been drastically reduced. Vibration reduction is of a particular benefit to BSA,Triumph and Norton twin cylinder models.

Dynamic balancing of the crankshaft is where the weight of the Pistons, conrods and shells is balanced against the counterbalance weights and the flywheel of the crankshaft. The crankshaft is spun on the Borgo EDC50 which measures not only the circumferential balance but also the balance across the shaft (rocking couple). It’s this method of balancing which produces the smoothest ride.

SRMCS7 Dynamic balance crank (twin).....................£107.79 SRMCS7B Dynamic balance triple crank ..................... £126.14

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Cylinder head work

The Serdi 3.0 is one of the most accurate cylinder head machining centre available in the World today. It was designed and produced to enable the highest accuracy machining jobs on multi valve cylinder heads The seats are cut so accurately that if new valves are fitted, lapping in is not required. All heads are vacuum tested in situ. The valve seats can be cut to any angle required plus the correct relief radius to allow a more efficient flow of gas past the valve seat opening and valve head, which means a more efficient engine.

To run your classic four stroke engine on lead free petrol only the exhaust valve seats have to be replaced. This is due to the intense heat produced around the exhaust valve seat area. We replace the seats with a special hardened steel insert. We can supply compatible valves for the replacement seats. We can fit the Valve seats to any cast iron and aluminium cylinder head. SRM stock a large range of valves for BSA Twins and Triumph 650 and 750cc Twins. We also strongly recommended the use our Colsibro material valve guides composed of Copper, Nickel, Silicone alloy which resists wear, corrosion, spark erosion, has a high tensile strength and can cope with rapid temperature changes, the closer tolerance enabled by using this material allows for a cleaner running engine.

SRMCH2A SRMCH2B SRMCH2C SRMCH2D SRMCH2F VALVE-SEAT SRMCH3A SRMCH3B SRMCH3C SRMCH3D SRMCH12A SRMCH12B SRMCH12C SRMCH12D SRMCH1 SRMCH5

Lead free valve seat single cylinder labour................................... £72.24 Lead free valve seat Twin cylinder labour ................................... £98.62 Lead free valve seat Three cylinder labour................................... £129.58 Lead free valve seat Four cylinder labour.................................... £159.38 Lead free conversion BMW, Guzzi Twins (pair heads) labour £122.69 Bare valve seat each ............................................................................£8.84 Gas flow A65 twin 32mm ..................................................£153.94 Gas flow A65 34mm ..................................................... .£184.74 Gas flow A10 30mm .................................................... £153.94 Gas flow Triumph twin .....................................................£115.46 Head assembled & checked single cylinder ....................£30.82 Head assembled & checked Twin cylinder ......................£40.09 Head assembled & checked Three cylinder .................... £64.40 Head assembled & checked Four cylinder ..................... £92.37

Valve seat re-cut multi angle ........................................... £9.18 Worn valve guide hole welded and re-machined ................£77.01

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Cylinder head work cont...

SRMCH7 Old guide removed new fitted and honed each ................. £10.02 SRMCH8 Valve guide machined for oil seal LABOUR ..........................£7.79 SRMCH17 Spark plug thread insert solid top hat type .......................£27.79 SRMCH17A Spark plug BIG insert for very worn/damaged holes .........£30.82 SRMCH6 Rocker arms lightened and polished set of 4 ..................... £156.00 SRMCH23 Bead blast and clean Triumph Rocker boxes pair ...............£27.73 SRMCH24 Bead blast and clean A10 Rocker box ............................... £27.73 SRMCH25 Polish A10/A7 Tappet inspection covers pair .................... £15.42 SRMCH26 Solid top hat thread repair rockerbox to head thread ........£13.11 SRMCH27 Strip, clean & assemble Triumph rocker boxes pair ............£19.28 SRMCH19 Bead blast and clean twin head .........................................£51.61 SRMCH19A Bead blast and clean single head ...................................... £40.14 SRMCH19B blast and clean triple head ................................................ £68.80 SRMCH2 Convert Triumph push in to push over ............................... £46.80 SRMCH20 Bead blast and polish A65 rocker box ................................. £32.11 SRMCH21 Triumph exhuast port thread repair inc stub ...................... £75.00 SRMCH22 Combustion chamber reprofiled .......................................... £46.19 SRMCH28 Machine out old seat,weld up, new seat ..............................£77.01 SRMCH29 Reprofile combustion chamber to standard ........................ £38.52 SRMCH9 Head bolt/stud hole drilled & spot faced ............................. £2.31 SRMCH13 Skim cylinder head face/rocker box face ............................ .£40.04 SRMCH10 Cast iron head shot blasted and stove enameled................. £60.00 SRMCH11 Damaged/broken fin repaired on head (from).................... £23.12 19 76068 Spark Plug NGK B6ES (Triumph 350,500. A10 Alloy head)...........£2.92 19 7606 Spark Plug NGK B7ES (Triumph and BSA A65)..........................£2.92 19 7606A Spark Plug NGK B6HS (Cast Iron head, short reach)..................£2.92

Cylinders At SRM we have a Rottler 2MB Series cylinder boring machine. The machine has variable feed rates and is highly accurate, maximising the performance of machine operations. Increase spindle feed rates for simple oversize bores. Decrease feed rates for sleeve cuts or counter bores. The machine can bore with optional cutter heads and special carbide tools are available for counter boring and chamfer cutting

All our cylinders are bored to within 0.002” (thou), then put onto our Delapena Honer and honed to an exact size, within two tenths of a thou (0.0002”) tolerance, using a 180 grade hone. The bores are then honed with a 320 grade cork stone to give a perfectly Plateau honed finish.

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Cylinders cont.. SRMCL2A Re-bore with plateau hone finish single ................................ £35.79 SRMCL2B Re-bore with plateau hone finish Twin.................................. £60.11 SRMCL2C Re-bore with plateau hone finish Triple................................ .£85.87 SRMCL2D Re-bore with plateau hone finish Four................................ ..£107.33 SRMCL1A Hone bore(only)per cylinder ................................................ £11.55 SRMCL3 Cam followers refaced set of four.......................................... £51.61 SRMCL4 Cylinder top face skimmed.................................................... £40.04 SRMCL5 Cylinders shot blasted and stove enamelled...........................£65.00 SRMCL6 Damaged/broken fin repaired per unit..................(from)....... £23.12 SRMCL7 Head bolt hole helicoiled to correct depth each..................... £11.10 SRMCL8 Bore, fit liner, bore & hone to std, mill top.......................... ....£115.44 SRMCL9 Blast and clean alloy cylinder single........................................ £50.00 SRMCL11 Machine cylinder cutaways to suit hi strength conrods..........£34.41 A10 Liner (supply cylinder liner lipped type)................................................£46.80 A65 liner (supply cylinder liner) lipped type................................................£46.80 Triumph liner (supply cylinder liner) lipped type..............................................£46.80 Norton liner (supply cylinder liner) lipped type...............................................£46.80

Gearboxes We specialise in Quality gearbox rebuilds for both UNIT and PRE-UNIT twins gearboxes.

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SRMGB1 SRMGB13 SRMGB14 SRMGB15 SRMGB17 SRMGB18 SRMGB2 SRMGB3 SRMGB5 SRMGB6 SRMGB7

Kickstart/gear change shaft O Ringed .....................................£17.21 Polish outer gearbox cover ...................................................£32.11 Beadblast and clean inner gearbox cover............................. £25.24 Blast & Clean Gearbox shell ................................................£40.14 Fit and hone sleeve gear bushes ..................................... £33.90 Fit and hone gearchange bushes labour...................................£16.38 Lay shaft ground 3 undersize bushes fitted and honed ........£121.58 M/shaft ground u/size sleeve gear bush fitted & honed........£78.08 A10 A7 B31 B33 Gold Star Gbox build .....(labour)........ ....£172.00 A65 gear change shaft spline repair .................................... £42.68 Clutch arm pivot A10/Pre-unit Tri G/box cover bushed ..... .£38.52

Timing Cases and Crankcases SRMTC9 SRMTC10 SRMPR1 SRMTC11A SRMTC12 SRMTC3 SRMTC4 SRMTC4A SRMTC6 SRMTC7 SRMTC13

Triumph pre-unit T/Cover Bush-to-Seal conversion..........................£38.52 Polish timing covers pair (BSA Twin)...................................... ..£51.61 Poilsh primary cover ........................................................................ £44.72 Magneto rev drive conversion to cover ..........................................£53.91 Polish Triumph timing cover ........................................................... £30.82 Cam/idler gear lightened and drilled ............................................. £57.26 BSA A10 Idler bushes removed fitted & honed (excludes parts).....£32.22 BSA A65 Idler bushes removed fitted & honed (excludes parts).... £30.82 BSA Idler housing bored o/size bushes fitted (excludes parts)......£53.91 BSA Oil pump re-conditioned. (excludes parts)............................. £64.68 Test Oil Pump....................................................................................£20.80

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Timing Cases and Crankcases cont... SRMCC1 SRMCC3 SRMCC4 SRMCC5 SRMCC6 SRMCC7 SRMCC9 SRMCC9A SRMCC10 SRMCC11 SRMCC12 SRMCC12A SRMCC14 SRMCC15 SRMCC16 SRMCC17 SRMCC18

Drive-side bearing housing bronze insert...............................................£100.91 Bore housing oversise bush fitted and bored.(excludes parts)............£88.30 Crank cases jigged and faced top and bottom.......................................£93.02 A10 primary side top hat thread insert...................................................£14.75 All casing screw holes cleaned and re-tapped per hour.........................£48.17 Stud and bolt removal prior to machining per hour...............................£48.17 BSA Camshaft bushes fitted and honed...(excludes parts)......................£57.75 Triumph cam bushes removed fitted & honed..(excludes parts)..........£57.75 Camshaft cleaned up on lobes...................................................................£25.78 Alloy welding....................................................(from)................................. £23.12 Bead blast and clean crank case pair Unit engines ..............................£74.54 Bead blast and clean pre-unit cases........................................................£63.07 ConvertA65 cylinder base threads to 3/8”...............................................£30.82 Machine crankcases to accept belt drive kit............................................£53.91 Set up and bore crankcase mouth to take 750 cylinders.......................£42.94 Set up and jig bore bearing housing.........................................................£53.91 Fit main bush and jig bore to size, bush extra......................................£48.17

Conrods The conrod is one of the most stressed components in the engine, it’s failure can totally ruin an engine. With most original rods being over 40 years old, we at SRM would advise that new rods are fitted to each re-conditioned engine. If you wish to continue with your original rods, then we can offer the service of polishing the rods, this helps reduce the stress factors forming in the rod, but does not guarantee their service life. Of course new big end nuts and bolts must always be used.

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SRMCR1 SRMCR1A SRMCR1B SRMCR2 SRMCR4 SRMCR5 SRMCR6 SRMCR7 SRMCS20

BSA A65 A10 S/end bushes fitted & honed ........(excludes parts)..... £22.38 BSA A7 S/end bushes fitted and honed.................(excludes parts)..... £22.38 Triumph S/end bushes fitted and honed ..............(excludes parts)..... £22.38 S/End housing bored oversize bush fitted (each)(excludes parts)..... £44.72 Con-rods polished pair ............................................................................. £75.69 S/Journal end cap modified to suit later nuts.......................(pair)..... £10.80 Fit and hone small end bush ..................................................(each)..... £12.15 Hone to size big end housing ............................................................... £17.19 Fit rods to crankshaft................................................................................£36.40

Engine rebuild Labour charges Full Engine Re-Builds SRMRB3 Full engine build A7 A10 .......................................... £487.32 SRMRB4 Full engine build A65 A50 ........................................ £659.30 SRMRB5 Full engine build Unit Triumph ................................ £659.30 SRMRB6 Full engine build Pre-unit Triumph ........................... £487.32 SRMRB7 Full engine build Norton Twin .................................. £487.32 SRMRB8 Full engine build B31 B33 etc ................................... £487.32 SRMRBRACE Full Race engine build inc all clearances set ..............£974.62 SRMRB15 Full engine rebuild T150, T160 R3..............................£884.00 Part Engine builds SRMRB1 Bottom end re-build ................................................................. £172.00 SRMRB10 Gear box inspection assembly and fitted and shimmed .......... £114.66 SRMRB11 Clutch and all primary components assembled and fitted ...... £114.66 SRMRB11A Fit inner & outer timing covers, mag & dyno set mag .......... ...£143.34 SRMRB12 Inner and outer timing cover assemblies etc fitted .................. £86.00 SRMRB13 Barrels pistons and tappets checked and fitted ........................ £74.54 SRMRB14 Head & pushrod rocker asemblies assembled and fitted ..........£126.14

Primary and Engineering odd jobs LABOUR-HOUR General workshop service, repairs, restorations etc per hour ...............£48.17

At SRM we routinely carry out a variety of engineering odd jobs to numerous to list in our catalogue. Please feel free to enquire if you have any engineering work that needs to be done. Big or small, our engineering staff will be happy to advise.

FORK-BUILD

CUSH-DRIVE-MOD SRMOJ1 ENGINE-OUT-IN

Fork pair assemble and check labour ............ ..........................£63.07

Front pulley, converted to cush drive ........ .....................£147.42

Helicoil thread insert ............................................................... £11.00 Remove engine/ancillaries, refit and set up & run (approx)... £481.63

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Getting your Engine to SRM We can arrange collection and delivery from and to your doorstep at very competitive rates. Please however ensure that your engine or part engine is packaged very securely. Preferably it should be bolted down in a wooden box or crate. This is to minimise the risk of damage in transit. This service is by TNT , service requirements for TNT are collection and delivery to and from business address prefferred ! Private address can be used but someopne must be there all day to help the driver load and sign paperwork. 1./ UK Rates. From your doorstep. Collection & Delivery Bottom half of engine (up to 30 kg) each way .................................................................................................................................................... £35.00 Part or full engine (31 to 55kg) ........................................................................ ...........................£45.00 Full engine (56kg to 100kg) .........................................................................................................£55.00 2./EEC We can use air or road transport to your door but please contact us first with details of package weight and your address so that we can get the best price for you. 3/USA We can arrange for TNT Express to collect your engine parts or full engine from your address, and return it to your address, a full engine in a crate is approx $450 each way, NB Parts must be securely crated or boxed, anything bigger than a cylinder head we recommend to pack in a wooden crate or box, securely bolted down. Please ensure that customs or relevant paper work is filled in correctly stating that the goods are your own personal effects, and are Vintage motorcycle parts being sent to the UK for repairs and return to the USA, also on form quote the goods are commodity code 871419000 , failure to do this will incur unnecessary Customs duties and taxes. Approx rates depends on $ exchange rate, weight of crate ! If you can find cheaper rates locally, please let us know before you send crate , so we can expect it. If a wooden crate is used, it must be made form IPCC approved and stamped wood, or plywood, if not it will not be allowed back into the USA under strict USA pest controls. 4./ Rest of the World. We can quote also for door to door collection . Please contact us for a quote.

Collection and delivery complete bikes

This is best arranged directly between yourslef and a trusted bike moving company, we have details of 3 trusted companies who our customers have used regularly, please contact us for details.

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Wheel Section

SRM engineering has its own dedicated motorcycle wheel department, we offer a complete motorcycle wheel restoration service. The emphasis is on enduring finish and strength. The jobs we undertake range from a basic respoke with zinc plated spokes through to a complete restoration services covering:New rims (Chrome/Stainless or Alloy); Respoke with stainless steel spokes; Painting the hub; Fitting new wheel bearings; Fitting balancing new tyres; Assembling and machining the brakes. To have your wheel renovated simply send the wheel to SRM engineering and we can return it to you ready to fit.

With over 20 years experience in building classic motorcycle wheels we have worked on wheels from all manufacturers, we use the best materials to ensure long life and consistent trued wheels. Our database of wheel information is extensive and from this information we can check your wheel offset and spoke pattern to ensure perfect building. Spoke sets Std 10G / 9G

Heavy duty (8G)

Butted 8/10G

Unpolished/Polished Stainless spokes £55.00 £60.00 £65.00 (All spoke sets come with Nickel plated brass nipples) nipple size Measurement taken in the middle of the nipple 0.250 = 6.40mm 0.275 = 7.00mm 0.300 = 8.00mm Wheel build & true Prices for standard (36 or 40 spoke) wheel rebuild Includes spokes and Nickel plated brass nipples,assembly and final trueing. 10G or 9G 8G Butted Unpolished/Polished Stainless spokes £110.00

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£115.00

£120.00


Wheel Building Section Wheel Rims

Starting from a blank rim (which we spin on a special jig to check for faults) we are able to put the dimples into the center of the rim in the required pattern, using a CAD program, coordinates are generated to punch or drill the spoke nipple holes to the correct angle to suit each particular hub. Each rim is then chrome plated, our chrome rims are the best finish in the UK The rims available are:-

British made, Chromeplated rims

This rim is made to be a replacement rim for the DUNLOP and JONES type of rims that were most commonly fitted to British motorcycles. It follows the DUNLOP rim profile and reflects the high quality of engineering in the DUNLOP rim. Each rim is formed with a TIG welded joint carefully done to minimize any distortion of the rim All rims are Chrome plated in Britain. As chrome rims are made to order, please allow 4 weeks extra to complete the rims. Rims are available in sizes Diameter British width 19 Wm1 19 Wm2 19 Wm3 18 Wm1 18 Wm2 18 Wm3 17 Wm2 21 Wm1

Metric width 1.60 1.85 2.15 1.60 1.85 2.15 1.85 1.60

CHROME RIM PRICES

Chrome rims are made using British steel rims and plated in the UK, these are quality rim but the delay to make them can add 3 weeks to the usual turnaround time, the stainless steel rims below have a finish as good as chrome and will not corrode, we usually reccomend to use stainless , Chrome rim price each is £91.67

Stainless Steel Rims

The stainless rim provides the looks and shine of the chrome rim with out the fuss and bother. (combined with stainless spokes you have an almost maintenance free wheel) The rims are manufactured in Britain in small batches with an emphasis on quality. Each stainless rim is rolled to the ‘DUNLOP’ profile from a single piece of quality stainless sheet TIG welded to minimize distortion of the rim. The rim is then polished. These rims have been thoroughly tested at MIRA. Rims are available in sizes: Stainless Rim Prices: Diameter British Size Metric Size 19 Wm1 1.60 Rim Width Price 19 Wm2 1.85 Wm1.................£120.83 19 Wm3 2.15 Wm2.................£120.83 18 Wm1 1.60 Wm3.................£120.83 18 Wm2 1.85 18 Wm3 2.15 Many rim details are available through our database 17 Wm2 1.85 but some may need further information or a pattern 21 Wm1 1.60 Other stainless rims available inc wider rims. rim to be supplied

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Alloy Rims Akront Valanced Alloy Rims You will see these rims fitted to hundreds of classic racers all over the world and many classic British road bikes too. We stock the rims in ‘blanks’ so each rim can be individually drilled to suit the required hub. During the 50’s and 60’s the ‘DUNLOP’ and the ‘BORRANI’ valanced (flanged) alloy rim was the choice of any racer/café racer or special builder. These rims were light,strong and well engineered enough for the hardest racer. SIZES AVAILABLE

Diameter (inch), 19 19 18

British width, Wm1 Wm2 Wm3

Metric Width, Number of Spoke Price 1.60 40 £96.00 1.85 40 £100.00 2.15 40 £110.00

Other sizes are available for special order. NON VALANCED ALLOY RIMS

Non valanced alloy rims are the plain section alloy rim as seen on many specials , trials, scrambles etc. They are available in a wide range of sizes and widths. Please contact us for details 21” Wm1.................£85.00 19” Wm2................£90.00 18” Wm3................£95.00

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Brakes Hub skimming and brake shoe lining and skiming Please note after we rebuild a wheel, we would recommend that the hub is skimmed as the hubs can distort when laced up. It makes sense to have your brakes working at maximum efficiency to cope with modern traffic conditions. The brake shoes can be relined and then machined to suit the newly skimmed hub to give you the maximum braking efficiency. SKIM HUB Skim motorcycle hub (complete wheel) ............................................................ £47.84 RELINE SHOES Reline the brake shoes with modern brake material oversize (per pair) .......... £30.10 SKIM SHOES Measure brake drum size & machine shoes to suit ......................................... £36.40

Hubs & Wheel Maintenance The following services are available to renovate motorcycle wheel hubs and brake plates:POLISH.BP POLISH.BPE STOVE.30 POLISH.HUB STOVE.22 STOVE.31 STOVE.32 STOVE.38

Bead blast & polish alloy Brake plate............................................... from..... £20.80 Bead blast brake plate & polish edge ............................................................. £23.12 Stove enamel Hub ................................................................................................ £47.00 Bead blast & Polish Hub ...................................................................... from.....£31.20 Stove Brake drum ............................................................................................... £18.72 Stove Wheel rim ................................................................................................. £67.60 Stove Whole Wheel (spoked type) ................................................................. £85.00 Stove Disc (inner)................................................................................................ £20.80

Conical hub repair SRM have developed the Conical rear hub bearing housing repair. The most common problem is the worn bearing housing, these rear hubs are almost impossible to find nowadays. We bore out the old worn housing, and insert a CNC machined sleeve complete with bearing retainer ring thread, bringing the centre back to NEW condition. We are able to modify the hub to take two bearings side by side on the brake side.

SLEEVES LH/RH CONICAL-REPAIR CONICAL-TWIN

Con-Hub-repair Sleeve.......................................................£24.44 Repair bearing housing labour..........................................£88.20 Special twin bearing conversion labour...........................£75.00

QD hub spline repair Have a worn rear hub spline? Rivets loose? We have made the three different types of rear hub inner sleeves with the splines to Suit A7 A10 B31 B33 A50 A65. The sleeve is available on its own, or you can send in your old hub for reconditioning, we strip hub, clean the hub halves, reassemble with new inner sleeve and rivets and stove enamel the complete hub - so the hub is as new again!

Inner splined sleeve bare all types ......................................................................£57.75 Recondition hub with new sleeve, rivets and paint assembled labour......................£75.00

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RIMTAPE16 RIMTAPE17 RIMTAPE18 RIMTAPE19 RIMTAPE21

Wheel Rim Tapes 16 inch rim tape ........................................................................................................ £1.85 17 inch rim tape ........................................................................................................ £1.85 18 inch rim tape ........................................................................................................ £1.85 19 inch rim tape ........................................................................................................ £1.85 21 inch rim tape ........................................................................................................ £1.85 Tyre Inner Tubes

For free advice on suitable tyres for your make and model, please contact the SRM wheel department. TUBEM01 TUBEM02 TUBEM03 TUBEM04 TUBEM05 TUBEM06 TUBEM07

CONTI Tube D18 3.25 x18” ....................................................................................... £12.00 CONTI Tube 3.25/3.50/410x19” ............................................................................... £12.00 CONTI tube E18 100/110 18” ................................................................................... £12.00 CONTI Tube D17 300/325x17 ................................................................................... £12.00 CONTI Tube 3.50/4.00/4.25 x18” ............................................................................. £12.00 CONTI Tube D21 2.75/300x21” ................................................................................. £12.00 CONTI tube E17 350x17” .......................................................................................... £12.00

Tyres Section Classic Avon tyres TYRE001 Avon Speedmaster 325x19” Ribbed front ................................................................ £ POA TYRE002 Avon Speedmaster 350x19” Ribbed Front ................................................................ £POA TYRE003A Avon Speedmaster 300x21” Ribbed Front ................................................................. £POA TYRE004 Avon SM MK11 350x19” (Rear) .................................................................................. £POA TYRE005 Avon SM MK11 400 xS18 (Rear) ................................................................................. £POA TYRE006 Avon triple duty 350 x L19” (sidecar) .......................................................................... £POA TYRE007 Avon Roadrunner 410H19” (U) ................................................................................... £POA Performance Avon tyres TYRE010 TYRE011 TYRE012 TYRE013 TYRE014

Avon AM26 90/90 V 19” (Sports Front)...................................................................... £POA Avon AM26 100/90 V19” (Sports Universal).............................................................. £POA Avon AM26 100/90 V 18” (Sports Universal) ............................................................ £POA Avon AM26 110/90 V 18” (Sports Rear)...................................................................... £POA Avon AM26 120/90 V 18” (Sports Rear)...................................................................... £POA

Classic Dunlop tyres TYRE020 Dunlop K70 350 x 19 (Universal) .............................................................................. £POA TYRE020-A Dunlop K70 3.25 x 19” (universal) ........................................................................... £POA TYRE021 Dunlop K70 400 S 18” (R) ........................................................................................ £POA TYRE022 Dunlop K81 TT100 360 H 19” (F) ............................................................................. £POA TYRE023 Dunlop K81 TT100 410 H 19” (U) ............................................................................ £POA TYRE024 Dunlop K81 TT100 4.25 H18 (R) .............................................................................. £POA TYRE026 Dunlop K81 TT100 410 H 18” (U) ............................................................................ £POA TYRE027 Dunlop K82 300 S 18” (U) ........................................................................................ £POA TYRE028 Dunlop K82 325 S x 18” (U) ..................................................................................... £POA TYRE029 Dunlop K82 350 S 18” (U) ........................................................................................ £POA Please ring for quote on tyres:- Avon,Bridgestone, Continental, Dunlop ,Metzler, Michelin, Pirrelli. As the tyre market prices fluctuate regularly.

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Electrical Section SRM engineering specialises in all types of electrical repairs and restorations on classic motorcycle electrics. Our fully equipped electrical workshop utilises a CRYPTON MAGMASTER and a larger CRYPTON ELECTRICAL TEST BENCH also able to test magnetos, dynamos and regulator boxes all to full load. In addition we have an Alternator/Regulator test rig specially made for the LUCAS RM21 Alternator The CRYPTON MAGMASTER has been adapted specifically to be able to measure the ignition spark angle between each cylinder on K2F and K2FC magnetos. Many British bikes suffer from electrical problems, we are able to source these problems whether it be a single faulty component up to a complete rewire of the bike. SRM specialises in the renovation of LUCAS magnetos as fitted to BSA,TRIUMPH and NORTON twins. After WW2 the K2F was the main unit used to provide the ignition for all the popular twin cylinder British motorcycles, racing and competition bikes were catered for with the LUCAS K2FC. The most common problem with original magnetos is failure once hot, due to a breakdown in the insulation of the condenser or of the armature windings themselves. In the 1940s the LUCAS M01 (magdyno) unit was used extensively on a variety of British single cylinder engines from the WW2 BSA M20 through till the GOLDSTAR DBD34 and many other British Singles. The unit is easily recognisable from the mounting of the LUCAS E3H or E3L on top of the magneto.

The magnetos electrical performance is simulatedas if it were on the engine, we use the CRYPTON MAGMASTER to do a comprehensive testing programme on each magneto we rebuild. This allows us to make any slight adjustments to the magneto to achieve the best constant and accurately timed spark . The final running test programme includes:Checking the normal spark HT Voltage; Checking the maximum available spark HT Voltage; Checking the ignition timing stability over rev range; Checking the ignition timing for correct timing angle (for most twins this is 180 degrees); Running the magneto for 20 minutes whilst heating to full engine temperature. When we undertake renovation of these units we examine the following:• Mechanical - Bearings, insulation, washers and shimming the armature • Electrical - Armature windings, Condenser, Slip ring, Points and Bushes • Magnetic - Check magnetism and regenerate magneto body • Ignition - Check Spark strength, Spark timing and stability Any unit sent to us will be fully tested and then we will contact you to discuss the work required. Each Renovated magneto is backed by our 2 year guarantee.

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K2F & K2FC, M01 Magneto Restoration

Part Number 45.8876 45.9190 MAG001 MAG002 MAG002A MAG003 MAG004 MAG004A MAG004B MAG004C MAG005 MAG006 MAG006A MAG006B MAG006S MAG007 MAG008 MAG008A MAG009

Part Number MAG010 MAG010A MAG011 MAG011A MAG011FC MAG012 MAG012FC MAG013 Part Number

Part Description

Pick up complete 2 screw (screws not inc) ...................................... £7.91 Pick up Holder & gasket (no brush) ................................................... £7.91 ARMATURE rewound with condenser ............................................. £93.60 Slip ring twin cylinder K2F ................................................................ £26.21 Slip ring single cylinder MO1............................................................................. £ 2 6 . 2 1 Contact points brass back plate ....................................................... £17.00 Contact points steel back plate ........................................................ £14.04 Complete steel points unit N/A At present................................................................. £00.00 Points centre bolt for steel points .................................................... £5.83 Points centre bolt for Brass points ................................................... £4.06 Cam ring ................................................................................................. £48.87 Pick up gasket good quality material .................................................. £1.12 Pick up gasket 2 screw type ................................................................ £1.03 Pick up screw K2FC zinc ....................................................................... £2.00 Pick up screw K2FC S/S ...................................................................... £2.47 Pick up brush and spring ....................................................................... £5.00 Pick up clip stainless steel ................................................................. £14.40 Pick up clip zinc plated ......................................................................... £8.22 Earth brush and spring ......................................................................... £2.50

Part Description

Sales Price

Magneto oil seal 18mm .................................................................................. £5.10 Magneto oil seal 15mm early ......................................................................... £5.51 Star insulating/shim washer 18mm ................................................................. £2.19 Star insulating/shim washer 15mm ................................................................. £2.19 Insulation washer for N3048............................................................................ £2.17 Magneto bearing 15mm ................................................................................ £18.35 Special Bearing for K2FC ONLY N3048 ..................................................... £20.79 Magneto bearing 18mm ................................................................................ £18.72 Part Description

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Sales Price

Sales


Electrical Parts

Price

MAG015 MAG015A MAG016 MAG016A MAG016B MAG016C MAG017 MAG017A 19.1883 19.7625 MAG020 19.7076A MAG024 MAG024C MAG025 MAG026 MAG027 MAG028 MAG029 MAG030 MAG032 MAG032A MAG033 MAG033R MAG034 MAG035 MAG036 MAG036S MAGREBUILD MAG-REPAIR REMAGNETISE TIMKIT1

End cover -clip on type with stop ................................................................. £15.60 Cover clip Zinc plated ..................................................................................... £10.30 Cover clip stainless steel ................................................................................. £12.15 End cover screw on with stop ....................................................................... £37.44 End cover screw on (competition) ................................................................. £35.36 K2F Triangular Clip for covers ........................................................................ £4.50 Advance retard cable + spring ....................................................................... £19.25 Short plunger K2F & K2FC ........................................................................... £7.20 HT lead copper core per foot see 19.1883 ..................................................... £1.59 NGK plug caps for magneto ........................................................................... £3.29 Spark plug A7/A10 iron head ......................................................................... £2.75 Spark plug A7/A10 alloy head......................... .................................................. £2.50 Lucas direction label (black). ........................................................................... £4.68 Lucas label Red Competition K2FC.. ............................................................. £4.68 Label screws (pair).. ......................................................................................... £1.47 Safety/Spark gap screws zinc ........................................................................... £2.07 Safety/spark gap screws S/S ............................................................................. £4.06 Earth brush holder S/S .................................................................................... £6.40 Earth brush holder washer .............................................................................. £0.84 Woodruff Key .......................................... ...................................................... £0.84 Magneto Fixed drive gear Self extracting SRM Special ........................................................ £54.00 Magneto fixed gear Triumph type N/A at present.................................................................... £00.00 New Auto Advance Unit (ATD) N/A at present .................................................................... £00.00 Exchange reconditioned advance retard unit N/A at present.................................................... £00.00 Auto Advance Centre bolt .............................................................................. £11.99 Auto Advance plate ......................................................................................... £3.59 Auto Advance C clip ........................................................................................ £2.47 ATD springs (pair) .......................................................................................... £2.34 Strip, build and test labour for Magneto ........................................................... £93.60 Magneto repair (no cosmetics) ......................................................................... £60.00 Remagnetise magneto body only....................................................................... £20.00 Timing kit A7/A10 .......................................................................................... £26.56

MO1 Single magneto parts MAG001S MAG002A MAG006M MAG007 MAG009 MAG011 MAG011A MAG012 MAG012FC MAG024 MAG025 MAG030 MAG031 MAG037 MAG038 MAG039 MAG040 MAG041

Rewound Armature & Condenser M01 Single......................... ................ £93.60 Slip ring single cylinder MO1 ....................................................................£26.21 Pick up screw M01 type ................................................................................ £1.25 Pick up brush and spring .............................................................................. £5.00 Earth brush and spring small........................................................................ £2.50 Star insulating/shim washer N3048............................................................. £2.19 Star insulating/shim washer 15mm .............................................................. £2.19 E15 magneto bearing (35mm O/D)...............................................................£17.64 N3048 magneto bearing (37mm O/D)..........................................................£20.79 Lucas Direction Label.......................................................................................£4.68 Label screws (pair)...........................................................................................£1.47 Armature woodruf key......................................................................................£0.84 Armature tab washer........................................................................................£2.25 M01 Pick up (brushes not included)..............................................................£6.76 M01 Contact breaker (Points)..........................................................................£9.49 M01 Fibre Gear................................................................................................£42.23 End Cover clip (Zinc Plated)...............................................................................£8.80 End Cover (Zinc Plated)......................................................................................£6.66

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MAG044

Part Number

MAG045 MAG046 MAG047 MAG048 MAG049 MAG050 MAG051 MAGREBUILD MAG-REPAIR TIMKIT1

Dynamo Strap....................................................................................................£7.49

Part Description

Sales Price

Dynamo Strap bush............................................................£ 1.87 Strap screw (Stainless Steel).................................................£3.63 End Cover clip (Stainless)....................................................£14.98 Front Cover gasket..............................................................£3.27 Earth bush large (7.5mm O/D)...........................................£5.31 Friction drive plate..............................................................£10.03 Advance/Retard Cable......................................................£20.00 Strip, build and test labour for Magneto ........................... £70.00 Magneto repair (no cosmetics) ......................................... £60.00 Timing kit A7/A10, Goldstar, B31................................... £26.56

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Dynamo E3L & E3H Restoration Dynamo Restoration At SRM we specialise in the renovation of these particular models of LUCAS dynamos. In the 1940s the LUCAS E3H (40 Watt) unit was used extensively on a variety of British single cylinder engines later to be replaced by the more powerful LUCAS E3L (60 Watt). The E3L dynamo was used on many British twins such as the BSA A10, TRIUMPH T100,T110 and NORTON DOMINATOR. The design of this dynamo is the same throughout the range but different drive shafts are used for different models. Each dynamo is tested on the CRYPTON MAGMASTER to help determine its condition and an estimate of the cost to renovate the unit is produced. If the dynamo was to be fully restored a new armature and field coil would be fitted together with new bearings. The outer body would be Nickel plated and the alloy ends bead blasted. New brushes would be fitted and then the dynamo would be thoroughly tested. The testing procedure is in two parts:Firstly the dynamo is wired for a ‘motor’ test - this runs the dynamo as a motor, the motoring speed is checked as is the polarity and rotation. This test also polarises the magnetic field in the field coil core; The dynamo is then fitted to the CRYPTON MAGMASTER or the CRYPTON ELECTRICAL TEST BENCH to be driven as if the dynamo were fitted to the engine. This test confirms the dynamo will charge when fitted to the engine and in the correct polarity for the earthing system on the bike. The dynamo is run for a minimum of 20 minutes to confirm it has a stable output. Send your dynamo to us, we will test it to ascertain its’ faults and contact you to discuss the work required (we can provide you with an estimate of the cost before any work is carried out). Each Renovated dynamo is backed by a 2 year guarantee. 12v wound armatures and 12v field coils are also available.

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Labour charge to recondition a dynamo is £55.00 + VAT (Spare parts are extra as following list) Part number 29.2203/S.STEEL 65.2352 67.1876/S.STEEL 67.0353 DYN001 DYN001H DYN001S DYN001T DYN002 DYN002H DYN003 DYN004 DYN005 DYN006 DYN006T DYN007 DYN008 DYN008A DYN009 DYN009A DYN009B DYN009C DYN013 DYN013H DYN014 DYN015 E3L DYN016 DYN017 DYN026 DYN026N DYN027 E3L DYN028 E3L DYN029 E3L DYN031 E3L DYN032 E3L DYN033 DYN035 DYNOREBUILD

Parts description

Dynamo eye bolt stainless steel A10................ £6.76 Eye bolt plug ................................................................ £1.59 Dynamo strap stainless steel A10................. £15.60 Dynamo strap stud......................................................... £1.59 6 Volt armature E3L A7 A10 Twins .................... £91.50 6v Armature E3H type (short) ............................. £81.90 6 Volt armature E3L Singles ................................. £91.50 6 Volt armature E3L Triumph type ..................... £81.12 6 Volt Field coil ........................................................... £25.99 Field coil E3H .............................................................. £26.00 Field coil screws .......................................................... £2.17 12 Volt armature E3L Twins ..................................... £84.00 12 Volt armature E3L singles ................................... £84.00 12 Volt Field coil .......................................................... £33.00 12V Armature Triumph Twins only ......................... £91.50 Through bolt & nut (each) ......................................... £6.36 1 piece end cover ........................................................ £26.68 Grommet for cover ..................................................... £3.64 2 piece cover Strap ................................................... £11.65 2 piece cover end cap ................................................ £20.60 2 piece end cover strap gasket ............................... £1.99 Cover terminal and screw each ........................................ £3.49 Dynamo brushes E3L pair ......................................... £18.62 Dynamo brushes E3H ................................................ £14.20 Bakelite brush holder ................................................ £23.92 Cable Clamp -Late ........................................................ £3.41 Large bearing See Pt No 6202-2RS ...................... £7.28 Small bearing See Pt No 608-2RS ......................... £5.72 Mag/dyno locating bolt (singles only)..................... £5.00 Taper Nut for Magdyno bolt ................................... £5.00 Triumph oil seal ........................................................... £4.68 Triumph Drive Gear ................................................... £31.29 Gear Bolt ...................................................................... £2.85 Drive gear Magdyno ................................................... £27.73 locking ring (Lucas no 200224) .............................. £6.24 Pre-unit Triumph dynamo strap ............................. £7.25 Dynamo drive gear Lucas Mag/Dyno 464269........ £21.22 Strip, build and test labour for Dynamo .......... £67.60

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Price


SRM 12Volt Dynamo Conversions Dynamo Conversions There are two ways to achieve a conversion from the standard 6v system as used on all LUCAS E3L powered British bikes. It is a property of any dynamo that the faster it spins the more voltage it will produce, it is the purpose of the regulator box to ‘set’ the level at which the system operates.

1. The easy way to perform a 12v conversion is basically to use your existing 6v dynamo and couple it to a 6-12v convertor electronic regulator. In a normal 6v system the dynamo will start charging at around 1000 rpm, to power a 12v system the dynamo now starts charging at about 1500rpm. This is not usually a problem as you would not normally ride around at such a low RPM. To lower the RPM at which charging occurs you can fit an srm Dynamo belt conversion kit (which has a slightly higher overall ratio than the standard chain drive and will speed the dynamo up)

6v to 12v Convertor electronic regulator units also can be used as a 6volt regulator DVR2-N DVR2-P

6v to 12volt converta for 6 and 12v armatures negative earth ...................£52.00 6 to 12v dynamo regulator for 6 and 12v armature postive earth ............ £52.00

2. The other method to achieve the 12v system is to replace the dynamo armature and field coil ‘wound’ for 12v. To do this the thick 6v windings have been replaced with twice as many windings of thinner wire. The number of windings is proportional to the voltage produced - so the dynamo now produces 12v at 1000rpm. Since the wire in the 12v windings is thinner it can only carry half the current (amps) of the 6v windings so there is no actual gain in output power. As a consequence the 12v wound dynamo must be used with a compatable electronic regulator to prevent them from burning out. 12v Wound dynamo parts DYN004 DYN005 DYN006 DYN006T

12 Volt armature E3L Twins ........................................................... £84.00 12 Volt armature E3L singles ......................................................... £84.00 12 Volt Field coil ........ ...................................................................... £33.00 12V Armature Triumph Twins only ............................................... £91.50

12v Electronic regulators for 12v wound dynamos DVR2-N DVR2-P

6v to 12volt converta for 6 and 12v armatures negative earth ...................£52.00 6 to 12v dynamo regulator for 6 and 12v armature postive earth ............ £52.00

Dynamo Belt Drive Conversion

This new kit available from only SRM, is the best available. Others on the market consist of a V type belt and pulleys, so the adjustment is critical, and any oil or grease will make it slip. Ours as you can see is far superior by utilising positive toothed pulleys for positive drive, and a Toothed steel wire reinforced belt that is suitable for use in oil or grease. The toothed pulleys also gear up the Dynamo speed by which gives you a positive charge at lower Rpm. The kit is a direct replacement and easy to fit. Full instructions included.

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DYNO-BELT-DRIVE

Toothed belt drive kit +10% Rpm .......... ÂŁ77.48

A suitable battery is available, however slight modification of the battery tray on the swinging arm models is required.

6v Dynamo Regulator Boxes

Electronic regulator boxes are available as a direct replacement for the 6v mechanical regulators. The electronic regulator offers better regulation and reliability. These regulators are very efficient and consume very little power from the system.

DVR2-N DVR2-P

6v to 12volt converta for 6 and 12v armatures negative earth ...................ÂŁ52.00 6 to 12v dynamo regulator for 6 and 12v armature postive earth ............ ÂŁ52.00

These units will fit inside the original metal regulator box with the original relays removed.

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Alternators The original alternator stators (open winding type) were prone to problems with vibration shaking windings loose. The remedy for this was to encapsulate the windings in resin. All the new alternator stators are of this type. By the 1960s the alternators had been standardized with the LUCAS RM21 being most commonly used in bikes over 500cc. With age the Rotor does lose some of it’s magnetic strength (although it may still appear to be strongly magnetic) this will effect the alternator output, the alternator may still be charging but may not be able to cope with full load (ie Main beam lights on). The Alternator rotor to suit the RM21 is common for ALL the types of stator windings list below. LU54202299 LUCAS Genuine RM21 ROTOR Not pattern........................................£99.99 The three common types of alternator stator are listed below 3 WIRE 6 volt type (120W single phase) This is a direct replacement for the open windings stator found on early 1960’s motorcycles. LU47204 Lucas 6v single phase 120W Stator ........................................ £90.52 6 volt alternators can be converted to 12v by linking the Green/Yellow wire to the Green/Black wire and using a 12v Regulator /rectifier unit SRM-RR-001

12v Single phase regulator/rectifier .............................. £25.00

2 WIRE 12v TYPE (120W single phase) This is the most common type of stator winding being used from the mid 1960’s until the late 1970’s. LU47205 LU47205

12v single phase 120W Stator Pattern.......................................£52.41 Lucas 12v single phase 120W Stator when available...........£90.52

These units are best coupled to a 12v rectifier/regulator unit SRM-RR-001 12v Single phase regulator /rectifier .................................... £25.00 3 WIRE 12v TYPE (180W Three phase) This was introduced as a simple upgrade for the standard stators and can be distinguished by having 9 inner poles (single phase units have only 6 poles). The stator uses the standard Rotor but must have a matching three phase regulator unit. It is a direct replacement increasing the power by 60W. LU47244

Lucas 12v 3 phase 180W stator ............................................... £92.41

SRM-RR-003 12v 3 phase Regulator/rectifier unit .................................. £30.98 Regulator /Rectifier units are a direct replacement for the standard rectifier and Zenor diode. Not only do these units do the job of rectifying and regulating the charge better than the old system they also consume less power and are more reliable!

Electronic Ignition to replace Points Electronic ignition offers many advantages over the original points ignition system. • No contact points to wear. • High energy spark throughout the whole rev range • Electronically controlled Advance /Retard & More accurate timing. These factors produce a smoother, more powerful and economical engine

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ANALOQUE IGNITION KITS The Analogue ignition kits have a linear (straight line) advance curve matched to each engine type. The standard coils can be used, but the use of two 6 volt coils will increase the spark energy for more high performance engines. We would recommend the use of a single DUAL SPARK coil, these coils are robust and compact and give a tremendous spark. IGN.1 Boyer Mk3 Analoque ignition kit 12v TRI/BSA UNIT TWINS................ £87.88 IGN.1 Boyer Mk3 Analogue ignition kit 12v NORTON TWIN.............................. £87.88 IGN.2 Boyer Mk3 Analogue ignition kit 6v TRI/BSA TWINS........................... £87.88 COIL12 DUAL COIL DUAL Output (3 ohms) Dyna Coil.............................................. £74.99

Digital Electronic Ignition Kits Digital electronic ignition kits are similar to the analogue units but have a ‘digitally mapped’ ignition curve. The ‘mapped’ advance curve is made up of a series of points that optimise the ignition advance, this won’t give any extra top end power but will boost the mid range by up to 10%. Digital kits can be used with a pair of standard type 6v coils although better performance is obtained using a dual output coil. IGN.3 IGN.3N

Boyer Digital ignition kit 12v Boyer Digital ignition kit 12v

BSA/TRI TWINS.........£109.20 NORTON COMANDO.........£109.20

COIL12 DUAL COIL DUAL Output (3 ohms) Dyna Coil....................................... £74.99

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Micro-Power Electronic Ignition Kits

The Micro-power kits are similar to the Digital kit with the same ‘mapped’ advance curve, but the Micro-power kit is designed for very low power consumption (9 Watts) and to do this it uses a special coil (as used in the ‘modern’ Triumph). This small but powerful dual coil has a very low resistance and can only be used with the Micro -power ignition box.

The Micro-power kit comes complete with the special dual coil. IGN.4 Boyer Micro-power ignition kit 12v IGN.4N Boyer Micro-power ignition kit 12V

BSA/TRI TWINS ............ £169.00 NORTON ...................... £169.00

We also stock a range of spare parts for all the kits listed above together with timing kits to help set the ignition timing accurately. TIMING-KIT Timing disc, piston stop & full instructions ...... £13.26

PAZON Electronic Ignition

These are a recent addition to the market. PAZON kits have many useful features that help the fitting and setting up the ignition kit. The ignition boxes have long leads so no connectors are required and information is given on the stator plate for advance/retard direction and a degree scale to aid adjustment. A superior quality ignition system. PAZON-1 Pazon SUREFIRE ignition kit

SureFire (analogue) Ignition System for 360degree twins

TRI/BSA/NORTON TWINS..................... £87.88

SmartFire (digital) Ignition System available for 360degree twins and 90degree twins

Feature easy to set up LED Timing Light and adjustable rev limiter.

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SRM K2F & K2FC BTH Magneto Electronic conversion At SRM we have produced an electronic ignition conversion kit for the LUCAS K2F and K2FC magnetos. The kit has been designed to retain the original look of the magneto and yet have all the advantages of the Boyer MICRO-POWER ignition system. This system is used because of the low power consumption of the electronics. The electronics are also very compact allowing them to be easily ‘hidden’ on the bike. A special sensor unit, manufactured at SRM, replaces the original magneto armature. This unit provides the timing signal for the ignition box and small dual output coil. The electronic ignition system provides an extra high energy spark at start up, precise ignition timing, “mapped” advance curve and a high power coil. The kit is simple enough for fitting at home (no machining is required) and is supplied with all the parts required and comprehensive instructions. The kit requires a 12v electrical system but can be wired for positive or negative earth. (If you have a 6v system this can be easily converted to 12v)

The sensor unit (above) fits into the magneto housing. Image above shows the kit and how it looks fitted inside the magneto body.

MAGKIT-1 MAGKIT-1C MAGKIT-4 MAGKIT-5

Electronic ignition kit K2F Twin magnetos .....£350.00 Electronic ignition kit K2FC ............................... £350.00 Electronic ignition kit BTH Twins ............................... £350.00 Electronic ignition kit Distributor Triumph twins 12v ............................... £350.00

Our Kits Include:• • • • • • • • •

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SRM Sensor Unit Dummy HT Pickups Ignition Box Dual Output Coil HT Leads and Plugs Ignition Switch Fuse and Holder Cable and Connectors Full Installation Instructions


SRM-IGNBOX-1 SRM-MAGCOIL-1 SRM-MAG-ROTOR SRM-PICKUP-1 SRM-PICKUP-1FC SRM-STATOR-PLATE

Magneto kit spares

Twins magneto ignition box ........................................ Twin lead coil for magneto kit ................................... Magneto electronic kit rotor ..................................... Magneto kit pick up twins complete ......................... Pick up /Electronic mag -screw type ........................ Magneto kits stator plate complete .........................

£78.00 £67.60 £21.52 £16.64 £16.64 £24.28

We would advise you also purchase an SRM Timing kit, this is a great help in accurately setting the electronic ignition. The Timing kit for the BSA A7/A10 comes with a special crankshaft nut to aid mounting a degree disc to the crankshaft and easy torquing up of the cushdrive. TIMKIT-1 BSA A7/A10 Timing kit..................................£26.56 TIMKIT-1 BSA Goldstar Timing kit................................£26.56 TIMING-KIT-3 TRIUMPH/NORTON Univeral kit...................£13.26

SRM M01 MAGDYNO K1F N1 & SR Magneto Single cylinderElectronic Conversion kits At SRM we have produced an electronic ignition conversion kit for the LUCAS Singles range of magnetos. It is suitable for any single fitted with the Magdyno unit such as Goldstar,B31,B33, Trumph singles, Norton singles, Ariel singles even Panther singles!! AJS Matchless etc The kit has been designed to retain the original look of the magneto and yet have all the advantages of the Boyer MICRO-POWER ignition system, this is an important factor with the limited power of a LUCAS dynamo (60 Watts). The electronics are also very compact allowing them to be easily ‘hidden’ on the bike. A special sensor unit, manufactured at SRM, replaces the original magneto armature. This unit provides the timing signal for the ignition box and small coil. The electronic ignition system provides precise ignition timing, “mapped” advance curve and extra spark energy at start up. The kit is simple enough for fitting at home and is supplied with comprehensive fitting instructions. The kit requires a 12v electrical system but can be wired for positive or negative earth. (If you have a 6v system this can be easily converted to 12v)

MAGKIT-2

M01 electronic ignition conversion kit .........................................£350.00

MAGKIT-3 Electronic ignition kit K1F Singles ............................... £350.00 NEW DEVELOPMENT 2013 ! Electronic ignition kits for the Singles magnetos Lucas N1 and SR MAGKIT-6 Electronic ignition kit N1 singles magneto ............................... £350.00 MAGKIT-7 Electronic ignition kit SR singles magneto ............................... £385.00 SRM - IGNBOX - 2 SRM - MAGCOIL - 2 SRM - MAG - ROTOR SRM - STATUR - PLATE

• • •

Spares Singles magneto Ignition box......................................£78.00 Single Output Coil......................................................£67.60 Magneto Electronic rotor..........................................£21.52 Magneto Kits Stator Plate Complete...........................£24.28

Kits Include

SRM Sensor Unit, Ignition Box, Single Output Coil HT Lead and Plug Cap, Fuse and Holder, Ignition Switch Cable and Connectors, Full Installation Instructions

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High Delivery Oil Pumps S/S Pressure Release Valves The special SRM parts are CNC manufactured exclusive designs unless stated otherwise. SRM rigorously test and evaluate all our products and they will meet or exceed all stated tolerances, capacities and performance criteria. We do not manufacture for third parties so if it isn’t from SRM it isn’t SRM!

A10, A65 Oil Pumps Made to very high precision tolerances, these high delivery oil pumps are suitable as direct replacement for BSA Twins, A7 A10 A50 A65, all come with rev drive as standard. The ultimate in sustained high oil pressure to give your engine the life blood it requires to survive modern day riding and hard use, it will help to reduce Wet sumping! helping to protect your engine from bearing and bush failure! CNC Machined from Dural alloy, and Anodised coated pump kit includes gasket, fixing bolts, crankshaft worm drive gear and tab washer. 42.0115 68.0941

Oil pump complete SRM Billet high delivery.................£238.25 High delivery oil pump for BSA A50 A65.......................£238.25

New for 2013 improved oil pump to help reduce wet sumping ! the internal feed and return cavities have a sealing system to prevent bleed by when standing.

Norton PRV

Triumph PRV

Triumph/BSA PRV

A65 Oil Pump

A10 Oil Pump

Stainless Steel Pressure Release Valves For all BSA and Triumph twin cylinder models and BSA/Triumph unit singles, our CNC machined stainless steel pressure release valves has a stainless body, stainless dome cap and stainless piston. Each one is hand assembled and checked for correct pressure blow off. Available for - BSA B44 B50 A7 A10 A50 A65, Triumph 3TA 5TA T100 5T 6T T110 T120 T140 and NORTON twins SRM-71.2370 Stainless steel pressure release valve also 71.3440..........£39.00 SRM-70.2795 Pop out button Pressure release valve stainless steel ...... £47.67 SRM-06.6195A Norton Twins stainless steel pressure release valve ......... £39.00 SRM-70-6595 Triumph T150, T160 BSA Rocket 3 (75psi)............................£39.00

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SRM Alloy CNC machined high strength conrods for BSA Triumph and Nortons! NOW AVAILABLE -A10 Large journal conrods, A65 and A50 conrods, T120 T110 Conrods and Norton 750/850cc conrods,Also Dominator rods and early Triumph pre-unit shell bearing cobversion rods to convert whitemetal rods to bearing shells. Each Conrod is CNC precision machined high spec alloy. The rods weighs very close to standard conrods, so no messy machining of the crankshaft and flywheel to get the crankshaft balance correct. Nice machined radius on beams of rods for more strength, highly polished finish. Can you really trust those 30 to 40 year old conrods? A pair of these is a whole lot less than replacing all the parts after a conrod failure! Alloy rods a pair for any machine listed above ..................... ..............£330.00

Billet CNC Finned inspection covers

SRM-71.3671-TRI Triumph T140 6 bolt rocker inspection cover with Logo each............ ........................£31.50 SRM-67.0263 A7/A10 Cover....................(pair )................... ... £52.50 These are a Direct replacement for the original Items

Billet CNC Finned Rocker Oil Feed Pipes SRM-42.0048 Alloy rocker feed pipe A7 A10 .............................................. £31.20 SRM-42.46 Gold star Rocker oil feed pipe ...................................... ........ £31.20 SRM-70.6349 T120 Finned alloy rocker feed pipe........................... ........... £31.20 SRM-71.3350 T140 finned alloy rocker feed pipe ...................................... £31.20 These are a direct replacement for the original Items. The bolts, pipes, clips, and washers are also available.

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Clutch pressure plate kits The CNC Billet SRM Superlift Alloy Clutch Pressure Plate takes the “crunch” out of clutches, together with the radial needle roller lift device pushes the pressure plate out squarely and true to the mainshaft. The sturdy no-drag alloy pressure plate replaces the inferior pressed steel item. For the ultimate feel we recommend fitting a multiplate friction kit, which includes 7 narrow friction plates and one extra steel plate to fit with your original six steel plain plates. This gives a very good clutch with the minimum of spring pressure

MULITPLATE-KIT Multiplate friction kit, ...........£77.50 SRMPP1 BSA/Triumph 3 spring models Pressure plate kit ............ SRMPP2 BSA A50 A65 & TRIUMPH 4 spring models ...................... SRMPP3 BSA pre-unit 4 spring .............................................................. SRMPP4 Triumph 3TA 5TA 3 spring ..................................................... SRMPP5 Triumph 3TA 5TA 4 spring ......................................................

£54.17 £54.17 £54.17 £54.17 £54.17

SRM magnetic sump filters CNC Billet finned alloy plate. A strong permanent magnet is built into the stainless steel drain plug. This neat device extracts damaging ferrous metal particles from the oil. Normally these tiny particles circulate in your oil, accelerating wear and passing through all the gauze filters. SRMSF1 BSA A7 A10 A50 A65 Sump filter kit .... £39.00 SRMSF3 BSA unit singles ............ £39.00 SRMSF2 BSA pre-unit singles ...... £39.00 SRMSF4 Triumph pre unit twin...........£31.20 The drain plug is easily removed for quick and easy sump draining (wet sumping)

SRM Dynamo Belt Drive Conversion Kit This kit exclusive from SRM, utilising positive toothed pulleys for positive drive, and a Toothed steel wire reinforced belt. The toothed pulleys also gear up the Dynamo speed by which gives you a positive charge at lower Rpm, Lights that you can see with and have a charged battery into the bargain! DYNO-BELT-DRIVE DYNO-BELT

Toothed belt drive kit ................... £77.48 Spare belt for kit ............................£16.96

CAUTION When converting from a 6 volt to 12 volt system, the battery and bulbs will also need to be changed. Please contact for further details if you are unsure about which components you may need

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SRM A7, A10, A50,A65 High Quality Forged Camshafts Our new range of camshafts are a stamp forging to give strong grain structure and durability. The material is SAE8620 alloy steel (containing Molybdenum for better wear resistance), The Cam is precision CNC ground, then heat treated to the correct hardness, The best camshaft available on the market. 67.0334 A7 A10 plunger and Gold Flash camshaft £115.00 67.0356 A7,A10 S/Rocket camshaft forged .......... £115.00 67.0357 A7 A10 Spitfire camshaft forged ............. £115.00 68.0473 68.0474

A65 Spitfire Camshaft...............................£108.42 A65 Race Camshaft......................................£128.34

SRM Taper roller Steering head bearings These are high quality taper roller bearings specially modified by us for BSAs and Triumphs. These are a direct replacement for the standard cup and cone ball race. The advantages of a roller bearing are: improved handling; easier and fewer adjustments; and long life - up to 250,000 miles. SRMTR1 BSA A+B range swing arm models .......................................... £39.29 SRMTR2 T120 T150 Trident and BSA R3 ...................................... £34.84 SRMTR5 BSA unit singles up to 1970 ............................................... £45.00

And our conversion taper roller steering head bearings, to convert A7 A10 A50 A65 frames to take T140 Disc front end or Conical hub type front end, also the same kit fits BSA B44 and B25 to take Conical hub front end and T140 disc front end & B33 SRMTR8 T140 disc/conical forks to A10 A65 B25 B44 ............................ £48.68

A7 A10 B33 Gold Star Cush drive nut Sick of having your cush drive nut come loose?

SRM have the answer ! Our new cush drive nut is made as BSA should have done it in the first place, this nut must be torqued to 65 foot lbs. This is not possible with a C spanner!! but with a hex head, you can now use a torque wrench to get it right! SRM 42 0071.....................................£13.72

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Mikuni Carburettors Rather than waste time and money on expensive carb reconditioning we would recommend the fitting of a new Mikuni carb Kit, the new carb offers performance and smooth running that is beyond the realistic capabilities of the older Amal stock fitments. Fully jetted and ready to be fitted to your engine, the carbs come complete with the special carb to cylinder head adaptor, nice slim pancake air filter with a chrome back, and a nylon lined cable. Available for BSA range A7 A10 A50 A65 and Triumph T100 6T T110 T120 T140 (not suitable for T140 parallel ports) For Single carb Triumphs a special alloy inlet manifold is available SINGLE CARB KIT .............................................(from) ÂŁ195.00 TWIN CARB KIT.................................................(from) ÂŁ390.00 Included in the kit is the jetted carb, throttle cable, rubber manifold with screws, adaptor plate with screws and a pancake style filter. Please enquire and state your make and model and we can quote for the correct kit for your bike. A choke cable conversion kit is also available. NEW DEVELOPMENTS 2013 Flat slide PWK Khein clone carburettors, we have currently on test the flat slide Kheine clone carbs, so far the rolling road results and raod testing have been very good, the carbbodies are smaller and neater than the Mikunis , so better for applications with limited space , look out for news on current developments on our web site.

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Big Bore Preformance Kits New Alloy kit in development 2013 A complete, fully proven conversion for A50 or A65 BSA engines to raise the capacity to 750cc or 840cc with A10 crank fitted and 850cc up to 900cc with special long stroke one piece billet crankshafts fitted. This kit has established itself as an essential part of the competition scene over many years of use on customers’ engines in the engine proving world of sidecar and solo racing. The design efficiency gives a 750cc cylinder barrel height that is less than a standard A65 650cc barrel. Large well matched fins give a lower running temperature than the standard engines. Modifications are necessary to fit the kit on engines 1962-73, the crankcase mouth must be machined to take the bigger and stronger diameter of the bore sleeves. Engines earlier than 1970 require a cylinder base stud change to the 3/8” dia type (Drill and tapping thread kit is available for this job). Standard cam follower tappets are used, if a new spitfire or race camshaft is to be fitted we would advise that a new set of our cam follwers are also fitted. 500cc engines will need to be fitted with a suitable 650cc cylinder head. It is not necessary to modify the cylinder head when converting 650cc engines We recommended that the cylinder head is gas flowed, to our spec and fitted with our special 1.725” (43.5mm) large inlet valves. The 750cc kit uses 32mm inlet ports and Carburettors, 840cc to 900cc use 34mm inlet ports and carburettors. Effective, reliable lubrucation is essential due to the extra performance and power output from the big bore kits, the we cannot emphasise the importance of having the crankshaft main bush and oiling system converted to our Needle roller bearing and oil end feed modification. Kit specification:1). Cylinder Block Alloy . Bore 79mm standard Oversizes +.020” ”. The final bore/stroke relationship of the 79mm x 74mm. 2). Pistons complete - high grade alloy with oil grooves for better cylinder lubrication. 3). Special set of high performance push rods 4). Cylinder head gasket annealed Solid copper. Available in two thicknesses to alter compression ratio. O rings for oil drain through block. 5). High tensile Studs and fixing bolts. 6). Base gasket supplied.

When ordering, state clearly the year of the engine to be converted, whether for road or race application and if the 3/8” stud kit is required. Standard cylinder 650cc alloy cylinder block for standard engines £TBA SRMSP3KIT1 750cc Big Bore Kit....................................................£TBA SRMSP3KIT2 840cc Big bore kit.....................................................£TBA 900cc Big Bore Kit.....................................................£TBA Billet crankshaft to suit any above (special order) POA (360 degree / 180 Degree / 90 Degree also available with Cams to suit)

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SRM Special parts and general engine spare parts. Please note that most SRM specials are listed in their relevant sections on our webshop.

The comprehensive engine spare parts catalogue available separately is currently in development , for a selection of our most popular parts please visit our webshop, or send email enquiry to us with your requirements, and we will reply back with availability and prices.

PRODUCT SPOTLIGHT 2013 BSA A7 A10 Gold Star 4 spring clutch assembly , a superb kit to give an excellent clutch for you bike, based on the original BSA/Triumph 4 spring clutch fitted from 1960 onwards , SRM have improved this kit with a special centre adaptor that holds a large thrust washer to support the chainwheel basket , this prevents basket wobble and reduces clucth drag , and combined with our special Billet allloy pressure plate with needle roller lift , the clutch can be set up to give a light clutch with positive operation. All parts supplied are checked and approved by SRM as being the best quality parts available on the market. SRMCL1 4 spring clutch complete with SRM pressure plate & adaptor ....... ÂŁ290.00

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Rolling Road & Diagnostic service Motorcycle engines can only be accurately set up when they are running, at SRM we use the FUCHS BE251, an industry standard motorcycle test bench. The FUCHS BE251 (shown below) offers a comprehensive list of motorcycle test features including engine performance (inc bhp and torque), transmission testing, exhaust gas analysis, chassis alignment, ignition and electrical fault finding. The rolling road test bench features a precision made roller, which when driven by the motorcycle rear tyre, simulates the forces on the motorcycle as if it were being riden on the road (hills and pillion passengers can be simulated with the load controller). The test bench does NOT put the motorcycle under any load that you would not find in road riding conditions. The test bench features a sophisticated front wheel clamp, which holds the motorcycle in a secure position on the test bench and allows checking of the wheel alignment and suspension. The Gas analyser measures the levels of hydrocarbons, carbon monoxide, carbon dioxide and oxygen present in the exhaust. By monitoring the comparative levels of each of these gases the efficiency of the combustion can be evaluated. The gases are measured at different engine speeds, loads and throttle openings, the test bench computer logs the results and presents them as a graph for analysis. If you are looking to buy, sell or just test your own motorcycle (after a complete restoration before venturing on to the road) the following tests can be performed with the test bench to get the best out of your bike

Engine and transmission tests 1. Power and torque graphs poduced 2.Acceleration and response tests 3.Clutch test (tested for slip) 4.Transmission loses calculated (shows worn chains etc) 5. Detection of ignition 6. Ascertain engine condition (low compression/mechanical problem) Carburation tests 1. Four gas exhaust analysis at different engine speeds 2. Four gas exhaust analysis at graduated Throttle openings (Engine speed at 3000rpm with load control) Electrical Tests 1. Ignition timing check 2.Measurement of HT Voltage (coil condition) 3.Misfires (anywhere in rev range) 4.Charging system check 5. Wiring / connector condition Chassis and cycle parts 1.Front and rear suspension performance 2. Check on steering head/ swinging arm bearings 3. Frame/ wheel alignment-also with lazer wheel jig 4.Dynamic wheel test Rolling road diagnostics and testing time per hour ÂŁ86.00

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SRM Performance If you are looking to enhance the performance of your BSA, Norton or Triumph twin we can offer a number of services to tune your engine. • • • • • • • • • • • •

Gas flow Cylinder head 30-34mm Large Inlet Valves 34mm (A65) Special Camshafts 90/180 degree Lightening valve gears Billet alloy or Steel conrods High delivery Oil pumps A10/A65 Big bore Kits (A65) Belt drives and heavy duty clutches Special digitally mapped Ignition systems Mikuni Carb conversions with Rolling road set up Various Crankcase modifications 90 or 180 degree Billet Crankshafts Please ask if your requirements aren’t listed

Rolling road diagnostics and testing time per hour £86.00

SRM-Engineering Unit 22 Glanyrafon Enterprise Park Llanbadarn Aberystwyth UK SY23 3JQ

01970 627771/2

fax: 01970 627773 email srm@srmclassicbikes.com

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SRM “Blue Book” Restored Bikes 2010 saw the launch of a new SRM service, SRM will undertake a number of full restorations using our extensive facilities to restore bikes to “as new” condition including essential SRM improvements. We have been restoring customer bikes at our workshops for over 18 years and will now be offering the facility for new customers to buy pre-restored, turn key ready for the road machines! SRM Blue Book Restored machines will represent the best of SRM engineering excellence, the machines will be finished to an unrivalled standard with the assurance of our guarantee on engine and gearbox. Please refer to the website to check which models are currently available • • • • • • • •

Expert restoration to BLue Book specification Quality SRM parts used throughout Restore as many of the original parts as possible Modifications to enhance reliability and ride in modern traffic conditions Our “BLUE BOOK” record of the restoration showing the bike at various stages Rolling road running in procedure and carburation setting 300 mile full road test and M.O.T SRM Guarantee on work and full technical backup service.

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2013srmservices  

SRM Classic Bikes workshop services and special products brochure 2013 , Engine rebuild services, wheel building services, paintwork service...

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