Honda CRF450R 2012 Service Manual

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CAMSHAFT HOLDER
Turn the inner race of the camshaft bearing with
your finger.
The bearing should turn smoothly and quietly.
Also check that the bearing oute r race fits tightly in
the camshaft holder.
Remove and discard the bearing if the race does not
turn smoothly, quietly, or if it fits loosely in the cam-
shaft holder (page 9-21).
Check the valve lifter bore scoring, scratches or
damage.
Measure each valve lifter bore 1.0.
SERVICE LIMIT: 26.04 mm (1 .025 in)
VALVE LIFTER
Check the valve lifter for scoring. scratches or dam-
age.
Measure each valve lifter 0.0.
SERVICE LIMIT: 25.97 mm 11 .022 in )
CAMSHAFT HOLDER BEARING
REPLACEMENT
Drive out the bearing.
Install a new bearing into the camshaft holder using
the special tools.
TOOLS:
Driver
Att ac hm e nt , 37 x 40 mm
Pilot, 20 mm
07749-0010000
07746-0010200
0
77 46- 0040500
After installing the bearing, lubricate it wit h engine
oil.
CYLINDER HEADIVALVES
DRIVER
ATIAcf ' MENl
PI L OT
9-21

Honda CRF450R 2012 Specifications

General

Brand	Honda
Model	CRF450R 2012
Category	Motorcycle
Language	English