Removing The Transmission; Checking The Shift Forks; Checking The Shift Drum Assembly - Yamaha TW125 1999 Service Manual

TRANSMISSION
EAS00420

REMOVING THE TRANSMISSION

1. Remove:
S Drive axle assembly 1
S Main axle assembly 2
Remove them at same the time.
EAS00421

CHECKING THE SHIFT FORKS

The following procedure applies to all of the shift
forks and related components.
1. Check:
S shift fork cam follower 1
S shift fork pawl 2
Bends/damage/scoring/wear ! Replace
the shift fork.
2. Check:
S shift fork guide bar
Roll the shift fork guide bar on a flat surface.
Bends ! Replace.
WARNING
Do not attempt to straighten a bent shift fork
guide bar.
3. Check:
S shift fork movement
(on the shift fork guide bar)
Rough movement ! Replace the shift forks
and shift fork guide bar as a set.
EAS00422

CHECKING THE SHIFT DRUM ASSEMBLY

1. Check:
S shift drum grooves
Damage/scratches/wear ! Replace the
shift drum.
S shift drum segment
Damage/wear ! Replace.
S shift drum bearing
Damage/pitting ! Replace.
4-65
ENG