
10-10 SERVICING INFORMATION
CHASSIS
Complaint
Symptom and possible causes
Remedy
Heavy steering
1. Overtightened steering stem nut
2. Broken bearing in steering stem
3. Distorted steering stem
4. Not enough pressure in tires
Adjust.
Replace.
Replace.
Adjust.
Wobbly handlebars
1. Loss of balance between right and left front forks
2. Distorted front fork
3. Distorted front axle or crooked tire
4. Loose steering stem nut
5. Worn or incorrect tire or wrong tire pressure
6. Worn bearing/race in steering stem
Adjust.
Repair or replace.
Replace.
Adjust.
Adjust or replace.
Replace.
Wobbly front wheel
1. Distorted wheel rim
2. Worn front wheel bearings
3. Defective or incorrect tire
4. Loose axle or axle pinch bolt
5. Incorrect front fork oil level
6. Incorrect front wheel weight balance
Replace.
Replace.
Replace.
Retighten.
Adjust.
Adjust.
Front suspension
too soft
1. Weakened springs
2. Not enough fork oil
3. Wrong weight fork oil
Replace.
Replenish.
Replace.
Front suspension
too stiff
1. Too viscous fork oil
2. Too much fork oil
3. Bent front axle
Replace.
Drain excess oil.
Replace.
Noisy front suspen-
sion
1. Not enough fork oil
2. Loose bolts on suspension
Replenish.
Retighten.
Wobbly rear wheel
1. Distorted wheel rim
2. Worn rear wheel bearings or swingarm bearings
3. Defective or incorrect tire
4. Worn rear suspension bearings
5. Loose nuts or bolts on rear suspension
6. Loose rear axle nut
7. Incorrect rear wheel weight balance
Replace.
Replace.
Replace.
Replace.
Retighten.
Retighten.
Adjust.
Rear suspension
too soft
1. Weakened spring of shock absorber
2. Leakage of oil from shock absorber
3. Improperly rear suspension setting
Replace.
Replace.
Adjust.
Rear suspension
too stiff
1. Bent shock absorber shaft
2. Bent swingarm pivot shaft
3. Worn swingarm and rear suspension bearings
4. Improperly rear suspension setting
Replace.
Replace.
Replace.
Adjust.
Noisy rear suspen-
sion
1. Loose nuts or bolts on rear suspension
2. Worn swingarm and suspension bearings
Retighten.
Replace.