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51
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FAULT
CAUSE
SOLUTION
White fumes from the exhaust
Brown fumes from the exhaust
The QUAD is unstable
The QUAD makes unusual
noises
The QUAD makes unusual
noises
Handlebar vibrates
- Petrol valve cable maladjusted.
- Air filter obstruction.
- Main jet too high.
- Steering stem nut loose.
- Steering bearings damaged or worn.
- Steering stem bent.
- Drive chain incorrectly adjusted.
- Chain worn.
- Rear sprocket worn.
- Chain lubrication insufficient.
- Rear wheels misaligned.
- Brake disk worn.
- Brake pads incorrect position or
crystallised.
- Cylinder damage.
- Brackets, nuts, bolts not properly
tightened.
- Tyre deformation, swing arm or needle
bearing worn.
- Rim off-centre.
- Different tyre pressures.
- Wheel off-centre or deformed.
- Go to a specialist workshop.
- Clean or change the air filter. Go to a specialist workshop.
- Change the main jet and verify.
- Adjust the steering stem, ensure that there is a pin
underneath the bolt preventing it from loosening in any
case.
- Replace the steering bearing.
- Change the steering stem. Go to a specialist workshop.
- 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 wheels.
- Replace the brake disk.
- Refit the pads or change them.
- Replace the damaged cylinder.
- Verify and adjust to the correct tightening torques.
- Refill.
- Release air from the wheels, fit the rims correctly, and
inflate the tyres to the correct pressure.
- Check tyre pressures and correct if necessary.
- Check the wheels thoroughly and replace if necessary.
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Summary of Contents for WILD HP 50
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