Hard shifting
Refer to "Clutch dragging".
Shift pedal does not move
Shift shaft
- Improperly adjusted shift pedal link
- Bent shift shaft
Shift cam, shift fork
- Groove jammed with impurities
- Seized shift fork
- Bent shift fork guide bar
Transmission
- Seized transmission gear
- Jammed impurities
- Incorrectly assembled transmission
Jumps-out-of gear
Shift shaft
- Improperly adjusted shift lever position
- Improperly returned stopper lever
Shift fork
- Worn shift fork
Shift cam
- Improper thrust play
- Worn shift cam groove
Transmission
- Worn gear dog