Installing The Camshafts - Yamaha XVZ13TF 1999 Service Manual

CAMSHAFTS
EAS00218

INSTALLING THE CAMSHAFTS

1. Align:
S "–" and "I" marks on the generator rotor
(with the crankcase edge)
a. Turn the crankshaft counterclockwise.
b. When piston #1 is at TDC on the compres-
sion stroke, align the "–" and "I" marks 1 on
the generator rotor with the crankcase edge
2 .
CAUTION:
Do not turn the crankshaft when installing
the camshaft to avoid damage or improper
valve timing.
NOTE:
First, install the rear cylinder camshafts, cam-
shaft sprockets, timing chain, and timing chain
tensioner. Then, install the front cylinder cam-
shafts and related parts.
Rear cylinder
1. Install:
S intake camshaft
S exhaust camshaft
CAUTION:
Do not turn the crankshaft when installing
the camshafts to avoid damage or improper
valve timing.
a. Install the camshaft sprockets onto the cam-
shafts.
Refer to the camshaft sprocket installation
steps below.
NOTE:
Make sure that the "REAR" marks a on the
camshaft sprockets face away from the "IN" b
and "EX" marks c on the camshafts.
b. First, install the exhaust camshaft, then the
intake camshaft.
NOTE:
S Be sure to install the camshafts in the correct
place as sown.
"IN" mark = intake camshaft
"EX" mark = exhaust camshaft.
S Make sure that the timing marks a (o: small
hole) in the camshaft face up.
4-17
ENG