GAS GAS FSR 450 2008 Betriebsanleitung Seite 137

FAULT
17 Shock absorption too hard
18 Shock absorption too soft
19 The bike makes unusual noise
20 Handlebar shakes or excessively
vibrates
CAUSE
- Rear shock badly adjusted
- Front forks low oil.
- Front fork oil viscosity too low.
- Front forks twisted.
- Low tyre pressure.
- Rear shock absorber maladjusted.
- Drive chain incorrectly adjusted.
- Chain worn.
- Rear sprocket worn.
- Chain lubrication insufficient.
- Rear wheel misaligned.
- Oil front fork insufficient.
- Front fork spring weak or broken.
- Brake disk worn.
- Brake pads incorrect position or crystallised.
- Cylinder damage.
- Brackets, nuts, bolts not properly
tightened.
- Tyre worn, swing arm or needle bearing
worn.
- Rim off-centre.
- Rear wheel misaligned.
- Steering shaft play.
- Handlebar bracket loose, steering shaft
bolt loose.
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SOLUTION
- Adjust the rear shock.
- Add oil to the forks as required.
- Empty the fork oil and fill with oil of the recommended
viscosity.
- Change front fork. Go to a specialist workshop.
- Verify tyre pressure.
- Adjust the rear shock.
- Adjust the chain.
- Change the chain, rear sprocket and secondary
transmission pinion.
- Change the rear sprocket.
- Lubricate using a correct chain lubricant.
- Align the rear wheel. Go to a specialist workshop.
- Add oil to the forks as required.
- Replace the front fork spring.
- Replace the brake disk.
- Refit the pads or change them.
- Replace the damaged cylinder.
- Verify and adjust to the correct tightening torques.
- Change worn parts.
- Centre the rim.
- Verify the tension of the wheel spokes. Re-adjust if
necessary.
- Check the distance between steering shafts and adjust if
necessary.
- Tighten the handlebar bracket and the steering shaft bolt
to the correct tightening torques.