Installing The Timing Chain Cover - Yamaha YZF-R1 Series Service Manual

Rocker arm shaft bolt
6 N·m (0.6 kgf·m, 4.4 lb·ft)
LOCTITE®
Straight plug (rocker arm shaft)
10 N·m (1.0 kgf·m, 7.4 lb·ft)
LOCTITE®
1
3 1
EAS31715

INSTALLING THE TIMING CHAIN COVER

1. Install:
• Timing chain cover
• Oil pipe 3
a. Install new O-rings to the oil pipe.
TIP
Apply lithium-soap-based grease evenly on new
O-rings.
b. Install the oil pipe "1" to the timing chain
cover "2".
TIP
• While turning the oil pipe, install it to the timing
chain cover so that the grease applied to the O-
rings is distributed.
• If the oil pipe is not turned smoothly, the O-
rings might be caught.
b
a
2 1 3
2 1 3
2
c. Install the oil pipe bolt "3" and tighten it
temporarily until there is no clearance at
"a" (timing chain cover to oil pipe) and "b"
(oil pipe to oil pipe bolt).
TIP
Apply locking agent (LOCTITE®) onto the oil
pipe bolt.
d. Install the timing chain cover assembly
and a new timing chain cover gasket.
e. Install new timing chain cover bolts and
tighten them.
Timing chain cover bolt
1st: 6 N·m (0.6 kgf·m, 4.4 lb·ft)
*
2nd: 3.0 N
·
lb ft)
Specified angle 90°
*
Following the tightening order, loosen the
bolt one by one and then retighten it to the
specific torque and the specific angle.
TIP
Tighten the timing chain cover bolts in the tight-
ening sequence as shown.
5-28
CAMSHAFTS
1
a
b
3
· ·
m (0.30 kgf m, 2.2