Yamaha RX10K Supplementary Service Manual page 324

CRANKCASE
17. Inspect:
S Bearings
Clean and lubricate the bearings, then rotate
the inner race with your finger.
Rough movement ! Replace.
18. Inspect:
S Oil seals
Damage/wear ! Replace.
19. Inspect:
S Primary drive gear 1
S Oil pump driven gear 2
Cracks/damage/wear ! Replace the de-
fective part(-s).
20. Inspect:
S Timing chain 1
S Oil pump drive chain 2
Damage/stiffness ! Replace the chain and
sprocket as a set.
21. Inspect:
S Timing chain guide (intake side)
Damage/wear ! Replace the timing chain
guide.
22. Inspect:
S Counter shaft assembly
Damage ! Replace.
5-57
ENG