HYOSUNG MS3 250 Sercie Manual page 229

9-11 SERVICING INFORMATION
◉ ◉ CHASSIS
Complaint
Steering feels too
heavy or stiff.
Steering
oscillation.
Wobbling front
wheel.
Front suspension
too soft.
Front suspension
too stiff.
Noisy front
suspension.
Wobbling rear
wheel.
Rear suspension
too soft.
Rear suspension
too stiff.
Noisy rear
suspension.
Symptom and possible causes
1. Steering stem nut overtightened.
2. Worn bearing or race in steering stem.
3. Distorted steering stem.
4. Not enough pressure in tires.
1. Loss of balance between right and left front suspensions.
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.
1. Distorted wheel rim.
2. Worn-down wheel bearings.
3. Defective or incorrect tire.
4. Loosen nut on axle.
5. Incorrect front fork oil level.
6. Incorrect front wheel weight balance.
1. Weakened springs.
2. Not enough fork oil.
3. Wrong viscous fork oil.
1. Fork oil too viscous.
2. Too much fork oil.
3. Bent front axle.
1. Not enough fork oil.
2. Loosen nuts on suspension.
1. Distorted wheel rim.
2. Defective or incorrect tire.
3. Loosen nut on the rear shock absorber.
1. Weakened spring of shock absorber.
2. Leakage of oil from shock absorber
1. Worn swingarm bushing or bearing.
1. Loosen nuts on suspension.
2. Worn swingarm bushing or bearing.
Remedy
Adjust.
Replace.
Replace.
Adjust.
Replace.
Repair or replace.
Replace.
Adjust.
Adjust or replace.
Replace.
Replace.
Replace.
Replace.
Retighten.
Adjust.
Adjust.
Replace.
Refill.
Replace.
Replace.
Drain excess oil.
Replace.
Refill.
Retighten.
Replace.
Replace.
Retighten.
Replace.
Replace.
Replace.
Retighten.
Replace.