Yamaha outboard ft50cehd service repair manual l 650101

Page 49

Maintenance specifications / Tightening torques Tightening torques

2

Specified torques Part to be tightened

Thread size

Power unit Flywheel magnet nut Stator base screw Cover screw Negative battery lead bolt Positive battery lead nut Oil pressure switch Oil pressure switch lead screw Ignition coil bolt Starter motor bolt Starter motor terminal nut Power unit bolt Tensioner bolt Tensioner adjusting bolt Drive sprocket nut Driven sprocket bolt Spark plug Cylinder head bolt

— M6 M6 M8 — — — M6 M8 — M8 — M8 — M10 — 1st 2nd 1st 2nd

Adjusting screw locknut Oil filter Drain bolt Exhaust cover bolt

Crankcase bolt

Connecting rod cap bolt Lower unit Check screw Lower unit bolt Drain screw Propeller nut Ring nut Water inlet cover screw Pinion nut

62Y5A11

M6 M9 — — —

1st 2nd 1st 2nd 1st 2nd 1st 2nd

M6 M6 M8 — — M10 — — — — M22

Tightening torques N·m kgf·m ft·lb 160 4 3 9 7 9 2 7 30 7 21 8 25 140 38 18 6 12 23 47 14 18 18 6 12 6 12 15 30 6 17

16 0.4 0.3 0.9 0.7 0.9 0.2 0.7 3.0 0.7 2.1 0.8 2.5 14 3.8 1.8 0.6 1.2 2.3 4.7 1.4 1.8 1.8 0.6 1.2 0.6 1.2 1.5 3.0 0.6 1.7

116 2.9 2.2 6.5 5.1 6.5 1.4 5.1 22 5.1 15 5.8 18 101 28 13 4.3 8.7 17 34 10 13 13 4.3 8.7 4.3 8.7 11 22 4.3 12

7 40 7 35 105 5 95

0.7 4.0 0.7 3.5 10.5 0.5 9.5

5.1 29 5.1 25 76 3.6 69

2-14

1 2 3 4 5 6 7 8 9


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