Yamaha YZ450FA Automobile User Manual


 
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REAR SHOCK ABSORBER
3. Remove:
• Lower bearing "1"
Remove the bearing by pressing its outer race.
CHECKING THE REAR SHOCK ABSORBER
1. Inspect:
• Damper rod "1"
Bends/damage Replace rear shock ab-
sorber assembly.
• Shock absorber "2"
Oil leaks Replace rear shock absorber as-
sembly.
Gas leaks Replace rear shock absorber
assembly.
• Spring "3"
Damage Replace spring.
Fatigue Replace spring.
Move spring up and down.
• Spring guide "4"
Wear/damage Replace spring guide.
• Bearing "5"
Free play exists/unsmooth revolution/rust
Replace.
INSTALLING THE BEARING
1. Install:
• Upper bearing "1"
Install the bearing parallel until the stopper ring
groove appears by pressing its outer race.
Do not apply the grease on the bearing out-
er race because it will wear the rear shock
absorber surface on which the bearing is
press fitted.
2. Install:
• Stopper ring (upper bearing) "1"
After installing the stopper ring, push back the
bearing until it contacts the stopper ring.