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CYLINDER HEADNALVE/CAMSHAFT
INSPECTION
Check the sprocket teeth
for
wear or damage.
Turn the camshaft holder to check each bearing.
Replace the camshaft assembly
if
the bearing does not
turn smoothly and quietly.
Check the cam surfaces for scoring, scratches or
evidence of insufficienllubricalion.
Measure
each cam lobe height.
SERVICE
LIMITS:
IN
:
34.4488
mm (1
.3
5625 in)
EX:
34.7335
mm
(1.36746
in)
Check the decompressor cam (1] operation.
Press on the decompressor cam as shown.
As you press on one side, the decompressor cam
should lock above the base of the exhaust cam lobe.
As you press on other side, the decompressor cam lobe
should extend below
the
base of the exhaust cam lobe.
INSTALLATION
I1J
Carefully rotate
the
Turn the crankshaft clockwise and align the
-r
mark [11
,
- - -
-- - - - - - - - - - -
--
,
crankshaft
while
on the flywheel with
the
index mark [21 in the crankcase
holding the cam
cover.
chain to avoid
Retract the
tensioner
lifter shaft and secure
it
with the
jamming
the
cam
tensioner holder
(page
10-13).
chain against
the
timing sprocket of
the
crankshaft.
10-14
Install the dowel pins [1J if they are removed.
Install the camshaft holder B [2] onto the camshaft
assembly.
I1J
12J
11J
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Table of Contents
Troubleshooting
