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1
2
5 - 12
CAMSHAFTS
5. Measure:
• camshaft journal diameter a
Out of specification → Replace the cam-
shaft.
Within specification → Replace the cylinder
head and the camshaft cap as a set.
Camshaft journal diameter
24.459 ~ 24.472 mm
(0.9630 ~ 0.9635 in)
CHECKING THE CAMSHAFT SPROCKETS
1. Check:
• camshaft sprockets
Wear/damage → Replace the camshaft
sprockets and timing chain as a set.
a 1/4 of a tooth
b Correct
1 Roller
2 Sprocket
CHECKING THE DECOMPRESSION
SYSTEM
1. Check:
• decompression system
M
MMM
M MMM
M
M MMM
M
a. Check that the decompressor lever pin 1
projects from the camshaft.
b. Check that the decompressor cam 2
moves smoothly.
L
LLL
L LLL
L
L LLL
L
ENG
M MMM
M
M MMM
M
M MMM
M
L LLL
L
L LLL
L
L LLL
L
MMM
LLL
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Troubleshooting
