Oil Pump Assembly - Honda CRF450X 2005 Service Manual

LUBRICATION SYSTEM
Me8sure rhe
c/tMrance
with
the
r;askef
instslled.
5-8
Temporarily install the oil pump shaft.
Install the outer and inner rotors into the cr ankcase.
Measure the tip clearance.
SERVICE LIMIT: 0.20 mm 10.008 in)
Measure the body clearance.
STANDARD: 0.15 - 0.21 mm (0.006 - 0.008 in)
Measure the side clearance using a straight edge
and feele r gauge.
STANDARD: 0.05 - 0.13 mm (0.002 - 0.005 In)
ASSEMBLY
Apply oil to the oil pump inner/outer rotors sliding
surlaces.
Install the oi l pump inner/outer rotors and shaft.
Install the one-way valve onto the left crankcase as
shown.
Assemble the left and right crankcase ha lves (page
13-25).
Insta ll the engine to the frame (page 8-8),