SYM 6. CYLINDER HEAD/VALVE
6-7
Use the special tool of compress valve
springs. Remove valve spring removed
location pin.
Caution
Put out the spring stopper, spring and valve.
Remove the valve cotter,valve spring
retainer,valve oil seal .
Clean carbon deposits in combustion chamber.
Clean residues and foreign materials on
cylinder head matching surface.
Caution
CAMSHAFT INSPECTION
Inspect cam lobe height for damaged.
Service Limit
IN: Replacement when less than 25.57 mm
EX: Replacement when less than 25.41 mm
Inspect the camshaft bearing for looseness
or wear out. If any, replace whole set of
camshaft and bearing.
Camshaft
Do not over-compressed valve springs.
ing weaken the spring flexibility.
Do not damage the matching surface of
cylinder head.
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