Yamaha DT125RE 2005 Service Manual page 156

REMOVING THE DRIVE CHAIN/CHECKING THE DRIVE
CHAIN
8. Remove:
• Chain guide rollers (Upper and lower)
EAS00709
CHECKING THE DRIVE CHAIN
1. Measure:
• ten-link section k a of the drive chain
Out of specification
chain.
Ten-link drive chain section limit
(maximum)
120 mm (4.72 in)
2. Check:
• drive chain
Stiffness
ce.
3. Clean:
• drive chain
a. Wipe the drive chain with a clean cloth.
b. Put the drive chain in kerosene and remove
any remaining dirt.
c. Remove the drive chain from the kerosene
and completely dry it.
4-68
CHAS
Replace the drive
Clean and lubricate or repla-