Checking The Drive Chain - Yamaha TW125 1999 Service Manual

REAR SHOCK ABSORBER AND SWINGARM
4. Check:
S dust covers 1
S spacer 2
S oil seals 3
Damage/wear ! Replace.
S bearings
Damage/pitting ! Replace.
EAS00710

CHECKING THE DRIVE CHAIN

1. Measure:
S 10-link section a of the drive chain
Out of specification ! Replace the drive
chain.
10-link drive chain section
limit (maximum)
121.4 mm
NOTE:
S While measuring the 10-link section, push
down on the drive chain to increase its tension.
S Measure the length between drive chain roller
1 and as shown.
11
S Perform this measurement at two or three dif-
ferent places.
2. Check:
S drive chain
Stiffness ! Clean and lubricate or replace.
3. Clean:
S drive chain
a. Wipe the drive chain with a clean cloth.
b. Put the drive chain in kerosine and remove
any remaining dirt.
c. Remove the drive chain from the kerosine
and completely dry it.
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CHAS