Honda CRF450X 2005 Service Manual page 207

Suppon the
Tap the valve stems gently with two plastic ham-
cylinder head SD
mers as shown to seat the cotters firmly.
the valve heads do
not contact
anything that may
damage them.
Install the carburetor insulator to the cyl inder head
by al igning th e groove of the ca r buretor insulator
with the tab of the cylinder head.
Tighten the carburetor insulator band screw so the
distance between the band ends is follow:
- '05 - '07: 12.0
±
1.0 mm (0.47
±
0.04 in)
- After '07: 9.0
±
1.0 mm (0,35
±
0.04 i n)
Install a new D-ring to the water hose joint.
Install the water hose joint to the cylinder head.
Install and tighten the bolt securely.
CYLINDER HEADIVALVES
'05 - '07:
INSULATOR Align
After '07:
~
O-RING
12.0 ± 1.0mm
(0.47
±
0.04 in)
9.0 ± 1,Omm
(0.35 ± 0.04
in )
9-35