ENGINE 3-99
• Install the front cylinder head in same manner as the rear cyl-
inder head installation.
CAM SHAFT
• The cam shafts are identified by the embossed letters.
INF : No.1 (Front) intake camshaft
1
EXF : No.1 (Front) exhaust camshaft
2
INR : No.2 (Rear) intake camshaft
3
EXR: No.2 (Rear) exhaust camshaft
4
• Before installing the camshafts to the cylinder head, apply
MOLYBDENUM OIL SOLUTION to their journals.
* MOLYBDENUM OIL SOLUTION
No.1 (Front) Camshafts
• Turn the crankshaft counterclockwise with the box wrench
and align “F” line
A on the generator rotor with the index
mark
B of the valve timing inspection hole while keeping the
cam chains pulled upward.
#
• Pull the cam chain lightly.
• The No.1 exhaust camshaft sprocket has an arrow mark “1F”
C. Install the exhaust camshaft so that the arrow
C is aligned
with the mating surface of the cylinder head. (!3-100)
• Engage the cam chain with the exhaust camshaft sprocket.
NOTE:
Before installing the camshaft, check that the tappets are
installed correctly.
* Pull the cam chains upward, or the chain will be
caught between crankcase and cam drive sprocket.
* To adjust the camshaft timing correctly, be sure to
align “F” line
A with the index mark
B and hold
this position when installing the camshafts.
“2”“2”
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