Yamaha FX Nytro 2008 Manuel D'atelier page 282

DRIVE CHAIN
REMOVAL
1. Remove:
• Driven sprocket 1
NOTE:
While holding the front axle assembly with spanner
1
wrench 2, loosen the driven sprocket nut.
2
INSPECTION
1. Inspect:
• Drive chain cover
Cracks/damage → Replace.
• Oil seals (drive chain cover)
Wear/damage → Replace.
• Bearings
Pitting/damage → Replace.
Replacement steps:
• Remove the circlip (drive chain cover).
• Remove the bearing(s) using a general bearing
puller.
• Install the new bearing(s).
NOTE:
Use a socket 1 that is the same size as the outside
diameter of the bearing race.
CAUTION:
Do not strike the inner race 2 or ball bearings
3. Contact only the outer race 4.
• Install a new circlip (drive chain cover).
CAUTION:
Always use new circlips.
2. Inspect:
• Drive sprocket
• Driven sprocket
• Chain tensioner
Pitting/wear/damage → Replace the defective
part(s).
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POWR
TR