CYLINDER HEAD, CYLINDER AND PISTON 6-9
CAM WEAR
• Measure the cam height
H using the micrometer.
• Replace a camshaft if the cams are worn to the service limit.
" Cam height
H:
Service Limit IN.: 34.56 mm (1.361 in)
EX.: 34.08 mm (1.342 in)
# 09900-20202: Micrometer (25 – 50 mm)
CAMSHAFT JOURNAL WEAR
• Determine whether or not each journal is worn down to the
limit by measuring the oil clearance with the camshaft
installed in place.
• Use the plastigauge to read the clearance at the widest por-
tion, which is specified as follows:
# 09900-22301: Plastigauge
09900-22302: Plastigauge
• Tighten the camshaft journal holder bolts evenly and diago-
nally to the specified torque.
NOTE:
Install the camshaft journal holders to their original positions.
$ Camshaft journal holder bolt:
10 N·m (1.0 kgf-m, 7.0 Ib-ft)
NOTE:
Do not rotate the camshaft with the plastigauge in place.
• Remove the camshaft journal holders, and read the width of
the compressed plastigauge with envelope scale. This mea-
surement should be taken at the widest part.
" Camshaft journal oil clearance:
Service Limit (IN. & EX.): 0.150 mm (0.0059 in)
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