Chassis - APRILIA RS 250 Service And Repair Manual

CHASSIS

Complaint
Heavy steering
Wobbly handle
Wobbly front wheel
Front suspension
too soft
Front suspension
too stiff
Noisy front
suspension
Wobbly rear wheel
Rear suspension
too soft
Rear suspension
too stiff
Noisy rear suspension
Symptom and possible causes
1. Steering stem nut overtightened.
2. Broken bearing in steering stem.
3. Distorted steering stem.
4. Not enough pressure in tyres.
1. Loss of balance between right and left front forks.
2. Distorted front fork.
3. Distorted front axle or crooked tyre.
1. Distorted wheel rim.
2. Worn-down front wheel bearings.
3. Defective or incorrect tyre.
4. Loose nut on axle.
5. Incorrect front fork oil.
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 bearings or
swingarm bearings.
3. Defective or incorrect tyre.
4. Worn swingarm and rear cushion related bearings.
5. Loose nuts or bolts on rear suspension.
1. Weakened shock absorber spring.
2. Rear suspension adjuster improperly set.
3. Oil leakage of shock absorber.
1. Rear suspension adjuster improperly set.
2. Shock absorber shaft bent.
3. Swingarm bent.
4. Worn swingarm and rear cushion related bearings.
1. Loose nuts or bolts on rear suspension.
2. Worn swingarm and rear cushion related bearings.
SERVICING INFORMATIONM8 - 12
Remedy
Adjust.
Replace.
Replace.
Adjust.
Adjust.
Replace.
Replace.
Replace.
Replace.
Replace.
Retighten.
Adjust.
Replace.
Refill.
Replace.
Drain excess oil.
Refill.
Retighten.
Replace.
Replace.
Replace.
Replace.
Retighten.
Replace.
Adjust.
Replace.
Adjust.
Replace.
Replace.
Replace.
Retighten.
Replace.