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CAMSHAFT AND ROCKER ARMS
ENG
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YP402060
ROCKER ARMS AND ROCKER ARM
SHAFTS INSPECTION
1. Inspect:
SCam lobe contact surface
1
SAdjuster surface
2
Wear/Pitting/Scratches/Blue discolor-
ation ! Replace.
Inspection steps:
D Inspect the two contact areas on the rocker
arms for signs of unusual wear.
D Rocker arm shaft hole.
D Cam-lobe contact surface.
Excessive wear ! Replace.
D Inspect the surface condition of the rocker
arm shafts.
Pitting/scratches/blue discoloration ! Re-
place or check lubrication.
D Measure the inside diameter a of the rocker
arm holes.
Out of specification ! Replace.
Inside diameter (rocker arm):
12.000 12.018 mm
<Limit: 12.030 mm>
D Measure the outside diameter b of the rocker
arm shafts.
Out of specification ! Replace.
Outside diameter
(rocker arm shaft):
11.981 11.991 mm
<Limit: 11.995 mm>
YP******
CAMSHAFT AND ROCKER ARM
INSTALLATION
1. Lubricate:
SCamshaft
1
Camshaft:
Molybdenum disulfide oil
Camshaft bearing:
Engine oil