Checking The Drive Shaft; Checking The Final Gear Case - Yamaha 2004 Rhino 660 YXR660FAS Service Manual

REAR CONSTANT VELOCITY JOINTS, FINAL DRIVE
1
GEAR AND DRIVE SHAFT

CHECKING THE DRIVE SHAFT

1. Check:
• drive shaft (splines) 1
• coupling gear (splines) 2
2
Wear/damage → Replace.

CHECKING THE FINAL GEAR CASE

1. Check:
• final gear case 1
• ring gear bearing housing 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.
• oil seals
• O-rings
Damage → Replace.
3. Check:
• bearings
Damage → Replace.
NOTE:
• Reusing roller bearings is acceptable, but
Yamaha recommends installing new ones.
Do not reuse the oil seal.
• 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.
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