Yamaha FX10X 2008, Service Manual

Page: 208 / 411

5-22
ENG
CAMSHAFTS
INSTALLATION
1. Install:
• Intake camshaft sprocket
1
• Exhaust camshaft sprocket 2
(with the special tool
3
)
• Camshaft sprocket bolts
NOTE:
Make sure that the holes
a
in the cylinder #3 cam
and marks
b
on the camshaft sprockets are in the
position shown in the illustration.
c
: Cylinder #3 - cam
Rotor holding tool:
90890-01235
Universal magneto & rotor holder:
YU-01235
T
R
.
.
Camshaft sprocket bolt:
24 Nm (2.4 m · kg, 17 ft · lb)
EX IN
2 1
b
c
a
b
a
b
c
2. Install:
• Intake camshaft
1
(with the camshaft sprocket)
• Exhaust camshaft
2
(with the camshaft sprocket)
Installation steps:
• Turn the crankshaft clockwise.
• When piston #3 is at TDC on the compression
stroke, align the “I” mark
a
on the AC magneto
rotor with the stationary pointer
b
on the AC
magneto cover.
• Install the timing chain onto both camshaft
sprockets, and then install the camshafts.
NOTE:
• Install the camshafts with the hole
c
in the cylin-
der #3 - cam facing up.
• When installing the timing chain, start with the
intake camshaft and be sure to keep the timing
chain as tight as possible on the intake side.
• Make sure the marks
d
on the timing chain
sprockets are parallel with the edge of the cylin-
der head.
e
: Cylinder #3 - cam
b
a
1
c
2
EX IN
d
e
d
e
d