HYOSUNG Aquila 250 Service Manual page 184

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.
1. Distorted wheel rim.
2. Worn-down wheel bearings.
3. Defective or incorrect tire.
4. Loosen nut on axle.
1. Weakened springs.
2. Not enough fork oil.
1. Fork oil too viscous.
2. Too much fork oil.
1. Not enough fork oil.
2. Loosen nuts on suspension.
1. Distorted wheel rim.
2. Worn-down rear wheel bearing.
3. Defective or incorrect tire.
4. Loose nut on axle.
5. Worn swing arm bushing or bearing.
6. Loosen nut on the rear shock.
1. Weakened springs.
2. Rear suspension adjuster improperly set.
1. Rear suspension adjuster improperly set.
2. Worn swing arm bushing or bearing.
1. Loosen nuts on suspension.
2. Worn swing arm bushing or bearing.
SERVICING INFORMATION 7-6
Remedy
Adjust.
Replace.
Replace.
Adjust.
Replace.
Repair or replace.
Replace.
Replace.
Replace.
Replace.
Retighten.
Replace.
Refill.
Replace.
Drain excess oil.
Refill.
Retighten.
Replace.
Replace.
Replace.
Retighten.
Replace.
Retighten.
Replace.
Adjust.
Adjust.
Replace.
Retighten.
Replace.