Honda CRF450R 2009 Service Manual page 262

CYLINDER HEADIVALVES
INSTALLATION
Install the cam chain tensioner, collar and new cam
chain tensioner bolt.
Tighten the cam chain tensioner bolt to the specified
torque.
TORQUE : 12 N'm (1.2 kgf' m, 9 Ibf-ft)
Install the cam chain guide by aligning its tabs with the
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grooves in the cylinder and guide end with the groove in
the crankcase.
Install the following:
- Flywheel (page 12-8)
- left crankcase cover (page 12-10)
- Cylinder head (page 9-30)
CYLINDER HEAD DISASSEMBLY
Remove the following:
- Spark plug (page 4-11)
- Eel
sensor (page
6-72)
- Cylinder head (page 9-16)
loosen the insulator band screw and remove the
insulator from the cylinder head.
Remove the bolt, water hose joint and D-ring.
, ,
,
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Install the
tappet
hole protector into the valve lifter bore.
r
TOOL:
Tappet hole protector
9-20
07HMG·MR70002
not available in
U.S.A.