Shift Fork And Shift Cam - Yamaha TT-R125(W) Owner's Service Manual

TRANSMISSION, SHIFT CAM AND SHIFT FORK
EC4H4600
Bearing
1. Inspect:
Bearing 1
G
Rotate inner race with a finger.
Rough spot/seizure → Replace.

Shift fork and shift cam

1. Inspect:
Shift fork 1
G
Wear/damage/scratches → Replace.
2. Inspect:
Shift cam 1
G
Shift fork guide bar 2
G
Bend/wear/damage → Replace.
3. Check:
Shift fork movement
G
On its guide bar.
Unsmooth operation → Replace shift
fork and/or guide bar.
NOTE:
For a malfunctioning shift fork, replace not only
the shift fork itself but the two gears each adja-
cent to the shift fork.
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ENG