Disassembling The Final Drive Pinion Gear Assembly; Checking The Rear Drive Shaft; Checking The Final Drive Assembly - Yamaha Grizzly550 User Manual

REAR CONSTANT VELOCITY SHAFT ASSEMBLIES, FINAL
• The dust boots should be fastened with the
boot bands "3" and "5" at the grooves in the
constant velocity shaft.
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a. Install the dust boots.
b. Install the dust boot bands "4" and "5".
Use the boot band installation tool "6".
Boots band installation tool
90890-01526
YM-01526
6
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5. Check:
• Thrust movement free play
Excessive play → Replace the constant ve-
locity shaft assembly.
EAS28P1017
DISASSEMBLING THE FINAL DRIVE PINION
GEAR ASSEMBLY
1. Remove:
• Rear drive shaft yoke nut "1"
DRIVE ASSEMBLY AND REAR DRIVE SHAFT
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a. Place a folded rag as shown.
b. Secure the final drive pinion gear in the vise.
c. Remove the rear drive shaft yoke nut.
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EAS30150

CHECKING THE REAR DRIVE SHAFT

1. Check:
• Drive shaft splines
• Coupling sleeve splines
Wear/damage → Replace.
EAS30160

CHECKING THE FINAL DRIVE ASSEMBLY

1. Check:
• Final drive case
• Final drive case cover
Cracks/damage → Replace.
TIP
When the final drive case and/or the final drive
case cover are replaced, be sure to adjust the
shim of the final drive pinion gear and/or final
driven pinion gear.
2. Check:
• Gear teeth
Pitting/galling/wear → Replace the final drive
pinion gear and final driven pinion gear as a
set.
TIP
When the final drive pinion gear, final driven pin-
ion gear and/or wheel gear are replaced, be sure
to adjust the shim of the final drive pinion gear,
final driven pinion gear and/or wheel gear.
• Oil seals
• O-ring
Damage → Replace.
3. Check:
• Bearings
Damage → Replace.
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