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6. 4-STROKE: CYLINDER HEAD/VALVES VITALITY 50
Inspect the rocker arm bore, cam lobe Rocker Arm Bore
contact surface and adjuster surface for
wear/pitting/scratches/blue discoloration.
If any defects are found, replace the rocker
arm shaft with a new one, then inspect
lubrication system.
Contact Surface Adjuster Surface
Measure each rocker arm shaft O.D.
Measure the I.D. of each valve rocker arm.
Measure arm to shaft clearance.
Replace as a set if out of specification.
Service limits: 0.10mm
CAMSHAFT HOLDER ASSEMBLY
Reverse the "CAMSHAFT HOLDER
DISASSEMBLY" procedures.
Align the cross cutout on the exhaust
valve rocker arm shaft with the bolt of
the camshaft holder.
6-7