Shifts hard
1. Clutch dragging slightly.
2. Transmission lubricant level too high.
3. Transmission lubricant too heavy (winter operation).
4. Shifter return spring (inside primary chaincase) bent or broken.
5. Bent shifter rod.
6. Shifter forks sprung or damaged.
7. Corners worn off gear dogs and shifter dog rings.
Jumps out of gear
1. Shifter engaging parts (inside transmission) badly worn and rounded.
2. Shifter forks bent.
3. Shifter drum damaged/worn.
4. Damaged gears.
Clutch slips
1. Clutch controls improperly adjusted.
2. Worn friction plates.
3. Insufficient clutch spring tension.
Clutch drags or does not release
1. Lubricant level too high in primary chaincase.
2. Clutch controls improperly adjusted.
3. Clutch plates warped.
4. Insufficient clutch spring tension.
5. Primary chain badly misaligned or too tight.
Clutch chatters
Friction plates or steel plates worn, warped or dragging.