Installing The Timing Chain Cover - Yamaha YZF-R1 2020 Service Manual

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Rocker arm shaft bolt

6 N·m (0.6 kgf·m, 4.4 lb·ft)

Straight plug (rocker arm shaft)

10 N·m (1.0 kgf·m, 7.4 lb·ft)

INSTALLING THE TIMING CHAIN COVER

• Timing chain cover

• Oil pipe 3

a. Install new O-rings to the oil pipe.

Apply lithium-soap-based grease evenly on new

b. Install the oil pipe "1" to the timing chain

• 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.

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).

Apply locking agent (LOCTITE®) onto the oil

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)

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.

Tighten the timing chain cover bolts in the tight-

ening sequence as shown.

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