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Ballast: Removable ballast to a maximum of 12kg (26.4 lbs.) Ground Clearance: Minimum of 50mm (2 inches) ground clearance with rider in position and machine ready to race. Chain Guard: Exposed chains must be covered on their top run between the centre lines of the sprockets. Cover must be fastened to the main frame. Minimum material specifications for chain guards: 25mm (1 inch) by 3mm(1/8 inch) steel or alloy. Clutch: The use of multi-stage, lock up type clutch is permitted. Transmission: Transmission must be contained within the stock case, or aftermarket case where permitted. Transmission must be shifted manually or by air shifter. Each individual shift must be a function of the rider. Any transmission permitted to a maximum of six forward speeds. Automated shifters and/or timer type shifting devices prohibited. Brakes: Operative hydraulic brakes required front and rear. Minimum disc diameter 177.8mm (7 inches), minimum thickness of 4.67mm (.187 inches). Suspension:
Front suspension only required.
Minimum fork diameter is 32mm (1.25 inches). Minimum travel 38mm (1.5 inches). Wheelbase: Wheelbase maximum of 1829mm (72 inches) permitted, measured from axle to axle, with the rear wheel at the limit of its adjustment. Wheelie Bars: Permitted Wheelie Bars are to be maximum of 3353mm (132 inches) from centre of front axle to centre of wheelie bar axle. Must be capable of supporting the weight of the bike with the rider in position. Non metallic wheels mandatory. Wheels/Tyres: Maximum rear tyre width of 250mm (10 inches), maximum diameter of 710mm (28 inches). Minimum front tyre width of 70mm (2.75 inches). Front wheel must be between 406.5mm (16 inches) and 482.6mm (19 inches) in diameter. Rear wheel must be between 381mm (15 inches) and 457mm (18 inches) in diameter. Slicks permitted. Replacement wheels permitted front and rear. Rider & Safety Licence: Endorsed GOL as a minimum. Refer “Group One Licence (GOL)” . Night Lighting Required Self Starting:
Self Starting Required. Push starts are prohibited.
Technical Inspection: Required.
CLASS REGULATIONS
Steering damper recommended.
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