Yamaha VMX12H Supplementary Service Manual page 294

SHAFT DRIVE
55
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Final Drive Gear Disassembly
1. Remove:
Nuts (bearing housing)
Bolts (bearing housing)
NOTE:
Working in a crisscross pattern, loosen nut 1/4
turn each, Remove them after all loosened.
2. Remove:
Bearing housing
Dust cover
washer
3.
Remove:
nut (coupling gear)
Use a Final Drive Shaft Holder
Coupling gear
4. Remove:
Bearing retainer (final drive shaft)
Use a Final Drive Shaft Bearing Retainer
(YM-04050).
Final d r ng-retainer has I eft-hand
threads. Turn retainer clockwise to loosen
Final drive shaft assembly
Tap lightly on the final drive shaft end
soft
with a hammer.
Final drive shaft removal should be performed
only if gearing replacement is necessary. Do not
reuse bearings or races after removal.
it.