Honda CRF450R 2009 Service Manual page 131

Measure the side
clearance with the
gasket Installed
LUBRICATION SYSTEM
Measure the body clearance.
STANDARD : 0.15 - 0.21 mm (0.006 - 0.008 in)
Measure the side clearance uSing a straight edge and
~~~~~~~:~l~~~=====l
feeler gauge.
I
STANDARD: 0.15 - 0.23 mm (0.006- 0.010 i n)
ASSEMBLY
Install the one-way valve onto the right crankcase as
shown.
Instalilhe oil pump shaft into the left crankcase.
Apply engine oil to the oil pump rotors sliding area.
Instafl the oil pump inner rotor while aligning its cut-out
with the cut-out of the oil pump shaft.
Install the oil pump outer rolor.
Install the dowel pins and new gasket.
Assemble the crankcase halves (page 13-12).
Inslallthe engine to the frame (page 8-9).
ONE-WAY VALVE
DOWEL PINS
5-7