Engine; Cylinder Head; Cylinder Head Installation - Yamaha YFM 400 FWA P Service Manual

CYLINDER HEAD

CYLINDER HEAD

CYLINDER HEAD INSTALLATION

1.Install:
Cylinder head
G
Bolt (M10)
G
Bolt (M6)
G
NOTE:
Lubricate the washer with engine oil.
G
Tighten the bolts (M10) in two stages and a
G
crisscross pattern.
2.Install:
Camshaft sprocket
G
***********************************************
Installing steps:
G
Rotate the camshaft to align the camshaft
pin 1 with the cylinder head match mark 2.
G
Turn the crankshaft counterclockwise with a
wrench.
Align the "T" mark 3 on the rotor with the
G
stationary pointer 4 on the crankcase cover.
When the "T" mark is aligned with the sta-
tionary pointer, the piston is at the Top Dead
Center (T.D.C.).
CAUTION:
Do not turn the crankshaft during the cam-
shaft sprocket installation.
G
Place the timing chain onto the camshaft
sprocket.
G
Install the camshaft sprocket onto the cam-
shaft and finger tighten the sprocket bolt.
– 18 –
ENG

ENGINE

40 Nm (4.0 m • kg, 29 ft • lb)
10 Nm (1.0 m • kg, 7.2 ft • lb)