Honda CBR125R Owner's Manual page 240

CLUTCH/GEARSHIFT LINKAGE
Remove the following:
– Shift drum stopper plate bolt
– Washer
– Shift drum stopper plate
Remove the dowel pins from the shift drum.
INSPECTION
Check the return spring and spindle arm spring for
fatigue or damage replace them if necessary.
Check the gearshift spindle for wear or bend.
Check the spindle arm for wear, damage or defor-
mation.
Replace the gearshift spindle as an assembly if nec-
essary.
INSTALLATION
Install the dowel pin into the shift drum hole.
10-16
STOPPER PLATE WASHER
BOLT
DOWEL PINS
ARM SPRING
GEARSHIFT SPINDLE SPINDLE ARM
DOWEL PINS
RETURN SPRING