Yamaha FZ6-ST Supplementary Service Manual page 253

SWINGARM AND DRIVE CHAIN
4. Check:
S O-rings 1
Damage ! Replace the drive chain.
S drive chain rollers 2
Damage/wear ! Replace the drive chain.
S drive chain side plates 3
Damage/wear ! Replace the drive chain.
Cracks ! Replace the drive chain and make
sure that the battery breather hose is proper-
ly routed away from the drive chain and be-
low the swingarm.
5. Lubricate:
S drive chain
6. Check:
S drive sprocket
S rear wheel sprocket
More than 1/4 tooth a wear ! Replace the
drive chain sprockets as a set.
Bent teeth ! Replace the drive chain sprock-
ets as a set.
b Correct
1 Drive chain roller
2 Drive chain sprocket
4-74
CHAS
Recommended lubricant
Engine oil or chain lubricant
suitable for O-ring chains