Name: KYMCO PEOPLE S 200
Brand: KYMCO
Rating: 4 (1 reviews)

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7. CYLINDER HEAD/VALVES

7-4

PEOPLE S 4T

TORQUE VALUES

Cam shaft holder nut (125/200cc) 2.0kg-m Apply engine oil to threads

Cam shaft holder nut (50cc) 1.4kg-m Apply engine oil to threads

Valve clearance adjusting nut 0.9kg-m Apply engine oil to threads

TROUBLESHOOTING

• The poor cylinder head operation can be diagnosed by a compression test or by tracing engine

top-end noises.

Poor performance at idle speed White smoke from exhaust muffler

• Compression too low • Worn valve stem or valve guide

• Damaged valve stem seal

Compression too low

• Incorrect valve clearance adjustment Abnormal noise

• Burned or bend valves • Incorrect valve clearance adjustment

• Incorrect valve timing • Sticking valve or broken valve spring

• Broken valve spring • Damaged or worn camshaft

• Poor valve and valve seat contact • Worn cam chain guide

• Leaking cylinder head gasket • Worn camshaft and rocker arm

• Warped or cracked cylinder head contact surface

• Poorly installed spark plug

Compression too high

• Excessive carbon build-up in combustion

chamber

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