Complaint | Symptom and possible causes | Remedy |
Heavy steering. | 1. Overtightened steering stem nut. | Adjust. |
2. Broken bearing in steering stem. | Replace. | |
3. Distorted steering stem. | Replace. | |
4. Not enough pressure in tires. | Adjust. | |
Wobbly handlebars. | 1. Loss of balance between right and left front forks. | Replace. |
2. Distorted front fork. | Repair or replace. | |
3. Distorted front axle or crooked tire. | Replace. | |
4. Loose steering stem nut. | Adjust. | |
5. Worn or incorrect tire or wrong tire pressure. | Adjust or replace. | |
6. Worn bearing/race in steering stem. | Replace. | |
Wobbly front wheel. | 1. Distorted wheel rim. | Replace. |
2. Worn front wheel bearings. | Replace. | |
3. Defective or incorrect tire. | Replace. | |
4. Loose axle or axle pinch bolt. | Retighten. | |
5. Incorrect front fork oil level. | Adjust. | |
Front suspension too soft. | 1. Weakened springs. | Replace. |
2. Not enough fork oil. | Replenish. | |
3. Wrong viscous fork oil. | Replace. | |
4. Improperly set front fork spring adjuster. | Adjust. | |
5. Improperly set front fork damping force adjuster. | Adjust. | |
Front suspension too stiff. | 1. Too viscous fork oil. | Replace. |
2. Too much fork oil. | Drain excess oil. | |
3. Improperly set front fork spring adjuster. | Adjust. | |
4. Improperly set front fork damping force adjuster. | Adjust. | |
5. Bent front axle. | Replace. | |
Noisy front suspension. | 1. Not enough fork oil. | Replenish. |
2. Loose bolts on suspension. | Retighten. | |
Wobbly rear wheel. | 1. Distorted wheel rim. | Replace. |
2. Worn rear wheel bearing or swingarm bearings. | Replace. | |
3. Defective or incorrect tire. | Replace. | |
4. Worn swingarm and rear suspensions. | Replace. | |
5. Loose nuts or bolts on rear suspensions. | Retighten. | |
Rear suspension too soft. | 1. Weakened spring of shock absorber. | Replace. |
2. Leakage of oil from shock absorber. | Replace. | |
3. Improperly set rear spring unit adjuster. | Adjust. | |
4. Improperly set damping force adjuster. | Adjust. | |
Rear suspension too stiff. | 1. Bent shock absorber shaft. | Replace. |
2. Bent swingarm pivot shaft. | Replace. | |
3. Worn swingarm and suspension bearings. | Replace. | |
4. Improperly set rear suspension adjuster. | Adjust. | |
5. Improperly set damping force adjuster. | Adjust. | |
Noisy rear suspension. | 1. Loose nuts or bolts on rear suspension. | Retighten. |
2. Worn swingarm and suspension bearings. | Replace. |