GAS GAS EC 2008 User Manual page 68

MALFUNCTION
14 Shock absorber set too hard
15 Shock absorber set too soft
16 Abnormal motorcycle noises
17 Handlebar vibration
POSSIBLE CAUSE
- Excessive front fork oil.
- Front fork oil viscosity too high.
- Bent front fork.
- Tire air pressure set too high.
- Incorrect rear shock absorber adjustment.
- Insufficient front fork oil.
- Front fork oil viscosity too low.
- Bent front fork.
- Tire air pressure too low.
- Incorrect rear shock absorber adjustment.
- Incorrect drive chain adjustment .
- Worn drive chain.
- Worn rear sprocket teeth.
- Insufficient drive chain lubrication .
- Incorrect rear wheel alignment.
- Insufficient front fork oil.
- Weak or broken front fork spring.
- Worn disc brake.
- Pad installed incorrectly or surface glazed.
- Damaged cylinder.
- Improperly tightened brackets, nuts, bolts.
- Worn tire, and worn swingarm or its
needle bearings.
- Wheel rim off-centre.
- Incorrect wheel alignment.
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REMEDY
- Pour excess oil until reaching the correct oil level.
- Drain fork oil and fill with correct fork oil viscosity.
- Replace the front fork. Go to a specialized workshop.
- Check tire air pressure.
- Adjust rear shock absorber.
- Fill with fork oil until reaching the correct oil level.
- Drain fork oil and fill with correct fork oil viscosity.
- Replace the front fork. Go to a specialized workshop.
- Check tire air pressure.
- Adjust the rear shock absorber.
- Adjust the drive chain.
- Replace the drive chain, rear sprocket and the secondary
transmission pinion.
- Replace the rear sprocket.
- Lubricate with appropriate chain oil.
- Align the rear wheel. Go to a specialized workshop.
- Add front fork oil until reaching the correct level.
- Replace the front fork spring.
- Change the disc brake.
- Reinstall or replace pad.
- Replace the damaged cylinder.
- Verify and adjust to the correct torque values.
- Replace worn parts with new ones.
- Centre rim.
- Verify wheel spokes tension. Readjust if necessary.