– 40 –
DRIV
REAR CONSTANT VELOCITY JOINTS, FINAL DRIVE
GEAR AND DRIVE SHAFT
CHECKING THE FINAL DRIVE GEAR
1. Check:
• final gear case
1
• bearing housing (ring gear)
2
Cracks/damage
→
Replace.
NOTE:
When the final gear case and/or the ring gear
bearing housing are replaced, be sure to
adjust the shim of the final drive pinion gear
and/or ring gear.
2. Check:
• gear teeth
Pitting/galling/wear
→
Replace the drive
pinion gear and ring gear as a set.
Refer to “REPLACING THE FINAL DRIVE
PINION GEAR AND BEARING”.
• oil seals
• O-rings
Damage
→
Replace.
3. Check:
• bearings
Damage
→
Replace.
NOTE:
• Reusing roller bearing is acceptable, but
Yamaha recommends installing new ones.
Do not reuse oil seals.
• When the final drive pinion gear and/or ring
gear are replaced, be sure to adjust the shim
of the final drive pinion gear and/or ring gear.
1
2
REPLACING THE FINAL DRIVE ROLLER
BEARING
1. Remove:
• roller bearing
1
Use a suitable press tool
2
and an appro-
priate support for the main housing.
1
2
Содержание YFM45FAT
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