Yamaha VMX12H Supplementary Service Manual page 177

MIDDLE GEAR SERVICE
3-53
3.
Remove:
Nut (driven pinion gear)
Washer
*Yoke
Bearing
Bearing housing
*Collapsible collar
Spacer
Inspection
1. Inspect:
Gear teeth
as a set.
Bearings
Replace.
2. Check:
U-joint movement
Roughness Replace U-joint.
Assembly
1. Install:
Bearing outer race
the bearing housing.
Do not press the bearing outer race. Always
press the inner race with care when installing.
2. Install:
Inner bearing
*Spacer
.Collapsible collar
Bearing housing
bearing
Dust seal
*Yoke
Washer
Nut (driven pinion gear)
3.
Attach:
Universal Joint Holder (YM-04062)
Onto the universal joint yoke.
4. Tighten:
Nut (driven pinion gear)
Torque nut carefully, little by little.
Nut (Driven Pinion Gear):
90 Nm (9.0
Replace middle gear
(new)
kg, 65