CHILL 125 cc. SERVICE MANUAL AND EFI DIAGNOSTIC
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Continued
Fault system
Fault
Causes
Troubleshooting
Air distribution system
The cylinder pressure is too
high.
There is too much carbon buildup in the combustion
chamber and on the top of the piston.
Clean the carbon buildup in the combustion chamber and
on the top of the piston.
The engine shows big noise.
The adjustment of the valve lash is improper.
Readjust the valve lash
The air valve spring breaks off.
Replace the air valve spring.
The cylinder and piston wear out.
Replace the cylinder and piston.
The cylinder pressure is too
low.
The cylinder, piston and piston ring seriously wear out.
Replace the cylinder, piston and piston ring.
The silencer gives blue
smoke.
The piston ring wears out.
Replace the piston ring.
The piston ring is improperly mounted.
Remount the piston ring.
There is scratch or wear on the piston or cylinder wall.
Replace the piston or cylinder.
The cylinder head leaks.
The air valve stem or air valve guide pipe wears out.
Replace the air valve stem and air valve guide pipe.
Wheels system
The front wheel deviates.
The front shock absorber deforms.
Replace the front shock absorber
The front wheel shafts bends.
Rectify the front wheel shaft.
The front wheel deforms.
Rectify the front wheel and replace the front wheel
The front wheel is improperly mounted.
Remount it
The front wheel bearings are worn out or damaged.
Replace the front wheel bearings.
The front wheel swings.
The front aluminum wheel deforms.
Replace the front aluminum wheel.
The nut of the front wheel shaft is loose.
Tighten the nut of the front wheel shaft.
The tire pressure is too low.
Increase the tire pressure.
The front wheel shaft is loose.
Tighten the nut of the front wheel shaft.
