Yamaha YZF-R1S Service Manual - Eng
5-19
CAMSHAFT
ENG
NOTE:
NOTE:
NOTE:
EAS00215
INSTALLING THE CAMSHAFTS
1. Align:
S“T” mark
a
on the pickup rotor
(with the crankcase mating surface
b
)
a. Turn the crankshaft clockwise.
b. When piston #1 is at TDC, align the “T” mark
a
with the crankcase mating surface
b
.
2. Install:
Sintake camshaft sprocket
1
Sexhaust camshaft sprocket
2
(with the camshaft sprockets temporarily
tightened)
Install the camshaft sprockets as a illustration.
3. Install:
Sexhaust camshaft
1
Sintake camshaft
2
(with the camshaft sprockets temporarily
tightened)
Make sure the punch mark
a
faces up.
4. Install:
Sdowel pins
Sexhaust camshaft caps
Sintake camshaft caps
SMake sure each camshaft cap is installed in its
original place.
SMake sure the arrow mark
a
on each cam-
shaft cap points towards the right side of the
engine.
L: Left side camshaft cap mark
R: Right side camshaft cap mark
I: Intake side camshaft cap mark
E: Exhaust side camshaft cap mark