Honda CRF450R 2009 Service Manual page 251

Make sure the plug hole seal ring IS installed properly
as shown
Check thai the rubber seals are
In good
condition ,
replace them
If
necessary.
Install the rubber seals onto the cylinder head cover
with their "UP" marks facing up .
Install and lighten the bolts to the specified torque.
TORQUE : 10 N'm (1.0 kgf-m, 7 lbHt)
Connect the spark plug cap and crankcase breather
hose.
Install the fuel tank (page 4-6).
CYLINDER HEADNALVES
PLUG HOLE SEAL RING
CYLINDER HEAD COVER
- --
"UP" MARKS
/
------I- .. . / /- -
..
-
.
./
RUBBER SEAL
9-9