Honda CRF450X 2005 User Manual

INTAKE SIDE:
After refacing, wash the cylinder head and valve.
I NOTICE I
• Do not lap the imake valves. They are titanium
and have a thin oxide coating. Lapping will dam-
age this coating.
• Use only new intake valves.
EX HAUST SIDE:
After cutting the exhaust seats, apply lapping com-
pound to the exhaust valve face, and lap the
exhaust
valve using light pressure.
After
lapping, wash any residual compound off the
cylinder
head and valve.
I NOTICE I
• Excessive lapping pressure may deform or dam-
age the seat.
• Change the sngle of the lapping tool frequently
to
prevent uneven seat wear.
• Do not allow any lapping compound to enter the
guides.
CYLINDER HEAD ASSEMBLY
VALVE COnERS
~ SPRING RETAINER
SPRING
--.\ SPRING SEAT
tI ~
STEM SE AL ~
VALVE GUIDE ---,
WATER HOSE JOINT
CYLINDER HEADIVALVES
~ INTAKE VALVE
7~ --_ =-l EXHAUST VA L VE
9-33

Honda CRF450X 2005 Specifications

General

Brand	Honda
Model	CRF450X 2005
Category	Motorcycle
Language	English