Service manual

ENGINE
7. Measure O.D. of rocker shafts for out--of --round.
Inspect them for wear or damage. Replace if excessive
wear is evident.
NOTE: Orientation of the rocker shafts is important for
reassembly. Place only the exhaust rocker shaft into the
exhaust side of the cam support.
8. Measure I.D. of each rocker arm for out-of—round and
visually inspect the I.D. surface. Replace arm if excessive
wear is evident.
Rock Arm ID: 10.10mm
Rocker Arm OD: 9.91mm
9. Inspect rocker adjuster screws for wear, pitting, or
damage to threads of the adjuster or locknut. Replace all
worn or damaged parts.
NOTE: The end of the adjuster is hardened and cannot
be ground or re-faced.
CAMSHAFT REMOVAL AND INSPECTION
NOTE: Cam chain tensioner must be removed before
performing this procedure.
1. Remove the 4 cylinder head bolts evenly by loosening
each one 1/4 turn at a time until loose.
Tap the rocker assembly with a non—marring hammer to
loosen the assembly.
2. Remove the cam chain from the sprocket by tilting the
cam assembly and simultaneously lifting the chain.
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