Cylinder & Piston - CPI GTR180 Service Manual

CPI MOTOR GTR180
V.CYLINDER & PISTON
TROUBLESHOOTING
When hard starting or poor performance at low speed occurs, check the crankcase breather for white
smoke. If white smoke is found, it means that the piston rings are worn, stuck or broken.
COMPRESSION TOO LOW OR UNEVEN COMPRESSION
Worn or damaged cylinder and piston rings.
Worn, stuck or broken piston rings.
COMPRESSION TOO HIGH
Excessive carbon build-up in combustion chamber or on piston head.
EXCESSIVE SMOKE FROM EXHAUST MUFFLER
Worn or damaged piston rings
Worn or damaged cylinder and piston
ABNORMAL NOISY PISTON
Worn cylinder, piston and piston rings
Worn piston pin hole and piston pin
Incorrectly installed piston
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