Yamaha YFM4FAR - Installing the Cylinder Head

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ENG
CYLINDER HEAD
INSTALLING THE CYLINDER HEAD
1.Install:
●
Cylinder head
●
Bolts (M10)
●
Bolts (M6)
N
OTE:
●
Lubricate the washer with engine oil.
●
Tighten the bolts (M10) in two stages and a
crisscross pattern.
T
R
.
.
40 Nm (4.0 m • kg, 29 ft • lb)
T
R
.
.
10 Nm (1.0 m • kg, 7.2 ft • lb)
2.Install:
●
Camshaft sprocket
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Installing steps:
●
Rotate the camshaft to align the camshaft
pin 1 with the cylinder head match mark 2.
●
Turn the crankshaft counterclockwise with a
wrench.
●
Align the “T” mark 3 on the rotor with the
stationary pointer 4 on the crankcase cover.
When the “T” mark is aligned with the
stationary pointer, the piston is at the Top
Dead Center (T.D.C.).
CAUTION:
Do not turn the crankshaft during the
camshaft sprocket installation.
●
Place the timing chain onto the camshaft
sprocket.
●
Install the camshaft sprocket onto the
camshaft and finger tighten the sprocket bolt.