Yamaha YZF-R1P 2001-2003, Service Manual

Page: 251 / 439

5 - 15
ENG
CAMSHAFT
EAS00210
CHECKING THE TIMING CHAIN
TENSIONER
1. Check:
• timing chain tensioner
Cracks/damage
→
Replace.
2. Check:
• one-way cam operation
Rough movement
→
Replace the timing
chain tensioner housing.
3. Check:
• cap bolt
• copper washer
• spring
• one-way cam
• gasket
• timing chain tensioner rod
Damage/wear
→
Replace the defective
part(s).
EAS00214
INSTALLING THE CAMSHAFTS
1. Install:
• exhaust camshaft
1
• intake camshaft 2
(with the camshaft sprockets temporarily
tightened)
NOTE:
_
Make sure the punch mark
a
faces up.
2. Install:
• dowel pins
• intake camshaft caps
• exhaust camshaft caps
NOTE:
_
• Make sure each camshaft cap is installed in
its original place. Refer to the identification
marks as follows:
“I”: Intake
“E”: Exhaust
• Make sure the arrow mark
a
on each cam-
shaft cap points towards the right side of the
engine.
3. Install:
• camshaft cap bolts
NOTE:
_
Tighten the camshaft cap bolts in stages and
in a crisscross pattern, working from the inner
caps out.
T
R
.
.
10 Nm (1.0 m · kg, 7.2 ft · lb)