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b. Release the timing chain tensioner one-way
cam "4" and push the timing chain tensioner
rod "5" all the way into the timing chain ten-
sioner housing.
c. Install the timing chain tensioner and gasket
"6" onto the cylinder.
TIP
Install the gasket with its beaded side facing the
timing chain tensioner end.
Timing chain tensioner bolt
10 Nm (1.0 m·kg, 7.2 ft·lb)
d. Install the spring and timing chain tensioner
cap bolt.
Timing chain tensioner cap bolt
20 Nm (2.0 m·kg, 14 ft·lb)
6
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5. Turn:
• Crankshaft
(several turns counterclockwise)
6. Check:
• "I" mark "a"
Align the "I" mark on the AC magneto rotor
with the stationary pointer "b" on the AC mag-
neto cover.
• "I" mark "c"
Align the "I" mark on the camshaft sprocket
with the stationary pointer "d" on the cylinder
head.
Out of alignment → Correct.
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5-13
CYLINDER HEAD
Refer to the installation steps above.
d
c
7. Tighten:
• Camshaft sprocket bolts
Camshaft sprocket bolt
20 Nm (2.0 m·kg, 14 ft·lb)
ECA13750
NOTICE
Be sure to tighten the camshaft sprocket
bolts to the specified torque to avoid the
possibility of the bolts coming loose and
damaging the engine.
8. Measure:
• Valve clearance
Out of specification → Adjust.
Refer to "ADJUSTING THE VALVE CLEAR-
ANCE" on page 3-4.
a
b
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