7. Cylinder Head / Valve
Cylinder head inspection
Cylinder head surface / hole
Check if spark plug hole and valve hole
cracked or damaged.
Measure the cylinder head surface for
warpage.
Service limit: 0.05mm
Camshaft
7-8
Measure the camshaft.
Service limit:
Intake: 34.860mm
Exhaust: 34.725mm
Check if the camshaft bearing loosened or
worn, replace the camshaft assembly if
necessary.
Rocker arm
Measure rocker arm inner diameter.
Service limit: 12.080 mm
Check if the oil hole clogged and the surface
worn.
Rocker arm shaft
Measure the active outer diameter of the cam
rocker arm shaft and cam rocker arm.
Service limit: 11.936 mm
Calculate the clearance between rocker arm
shaft and rocker arm.
Service limit: 0.10 mm
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