Yamaha FX Nytro FX10MTRAX, Service Manual, Page: 282 / 859

4-19
POWR
TR
DRIVE CHAIN
REMOVAL
1. Remove:
• Driven sprocket
1
NOTE:
While holding the front axle assembly with spanner
wrench
2
, loosen the driven sprocket nut.
2
1
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).