Yamaha XSR900 2022, Service Manual

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5-2 3
CAMSHAFTS
e. Make sure that the timing chain tensioner
rod comes out “d” of the timing chain ten-
sioner housing smoothly. If there is rough
movement, replace the timing chain ten-
sioner.
EAS30269
INSTALLING THE CAMSHAFTS
1. Remove:
• Timing mark accessing bolt “1”
• Crankshaft end cover “2”
2. Align:
• Mark “a” on the generator rotor
(with the generator rotor cover mark “b”)
a. Turn the crankshaft counterclockwise.
b. When piston #1 is at BTDC125
°
, align the
mark “a” on the generator rotor with the
generator rotor cover mark “b”.
3. Install:
• Intake camshaft sprocket “1”
• Exhaust camshaft sprocket “2”
TIP
• Install the camshaft projection “a” at the posi-
tion shown in the illustration.
• Tighten the camshaft sprocket bolt with the
camshaft wrench “3”.
4. Install:
• Exhaust camshaft “1”
• Intake camshaft “2”
TIP
Make sure the punch mark “a” on each camshaft
faces up.
Camshaft sprocket bolt
24 N·m (2.4 kgf·m, 18 lb·ft)
c
d
1
2
a
b
T
R
.
.
Camshaft wrench
90890-04162
Camshaft wrench
YM-04162
B7N
B7N
1 2
a
a
3
1
2
a
a