Timing Chain And Timing Chain Guide - Yamaha TT-R125(W) Owner's Service Manual

CRANKCASE, CRANKSHAFT AND BALANCER
Crankshaft
1. Remove:
Crankshaft 1
G
Use the crankcase separating tool 2.
Crankcase separating tool:
YU-1135-A/90890-01135
CAUTION:
Do not use a hammer to drive out the
crankshaft.
Bearing
1. Remove:
Bearing 1
G
NOTE:
Remove the bearing from the crankcase by
G
pressing its inner race as shown in.
Do not use the removed bearing.
G
INSPECTION

Timing chain and timing chain guide

1. Inspect:
Timing chain
G
Cracks/stiff → Replace the timing chain
and camshaft sprocket as a set.
2. Inspect:
Timing chain guide
G
Wear/damage → Replace.
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ENG