Yamaha TTR125 1999 Fahrer- Und Wartungshandbuch Seite 314

CRANKCASE, CRANKSHAFT AND BALANCER
Crankshaft
1. Remove:
Crankshaft 1
Use the crankcase separating tool 2.
Crankcase separating tool:
YU-01135-A/90890-01135
CAUTION:
Do not use a hammer to drive out the
crankshaft.
Bearing
1. Remove:
Bearing 1
NOTE:
Remove the bearing from the crankcase by
pressing its inner race as shown in.
Do not use the removed bearing.
INSPECTION
Timing chain and timing chain guide
1. Inspect:
Timing chain
Cracks/stiff → Replace the timing chain
and camshaft sprocket as a set.
2. Inspect:
Timing chain guide
Wear/damage → Replace.
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ENG