Inspection - Yamaha TZR50 '03 Service Manual

REAR WHEEL SPROCKET AND DRIVE CHAIN

INSPECTION

1. Check:
• The chain stretching
Pull the chain to separate this from the
crown wheel.
Distance between chain/crown wheel
greater than half the tooth
the chain.
2. Clean:
• The drive chain
Submerge this in solvent and use a
brush to clean off as much dirt as possi-
ble. Then take the chain out of the sol-
vent and dry it.
3. Inspect:
• The clip
Damage
• The rollers
• The side plates
Damage / Wear
chain
4. Check:
• Chain sticking
Clean and grease the chain and hold this
as shown in the illustration.
Sticking
5. Inspect:
• The sprocket and rear wheel sprocket
Wear / damage
1/4 tooth
Correct
Roller
Rear wheel sprocket
7-48
CHAS
(Drive chain)
Replace the drive chain
Replace the drive
Replace the chain
replace
replace