Yamaha YZF-R1P Utility Trailer User Manual


 
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)