Yamaha WR45OFR service manual CA U TI on, Bolt camshaft cap

Models: WR45OFR

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CAMSHAFTS

ENG

5

E

4

Fit the timing chain 3 onto both camshaft sprockets and install the camshafts on the cylinder head.

NOTE:

The camshafts should be installed onto the cylinder head so that the exhaust cam sprocket punch mark c and the intake cam sprocket punch mark d align with the sur- face of the cylinder head.

CAUTION:

Do not turn the crankshaft during the camshaft installation. Damage or improper valve timing will result.

Install the clips and camshaft caps 4.

 

Bolt (camshaft cap):

.

10 Nm (1.0 m • kg, 7.2 ft • lb)

T

 

R

 

.

 

 

 

NOTE:

Apply the engine oil on the thread and con- tact surface of the bolts (camshaft cap) 5.

Tighten the bolts (camshaft cap) in a criss- cross pattern.

CAUTION:

The bolts (camshaft cap) must be tight- ened evenly, or damage to the cylinder head, camshaft caps, and camshaft will result.

2.Install:

Timing chain tensioner

Installation steps:

While pressing the tensioner rod lightly with fingers, use a thin screwdriver and

wind the tensioner rod up fully clockwise.

4 - 27

Page 150
Image 150
Yamaha WR45OFR service manual CA U TI on, Bolt camshaft cap