Yamaha YBR 125 Service Manual page 103

Check and repair
2.Check:
Shift cam groove
Wear or damage→Replacement
3.Check:
Guide rod of shifting yoke(short on left, long on right
Shift cam
Deformation, scratch, wear, damage→Replacement
4.Check:
Action of shifting yoke
Uneasy action→Replacing shifing yoke or guide rod
Warning
Do not try to align the bending guide rod.
4 - 34
ENG
)