Valve Clearance Adjustment - Honda CRF450X 2005 Service Manual

Motorcycle
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MAINTENANCE
Record the
clearance for each
valve for reference
in shim selection if
adjustment is
required.
4-16
Exhaust side:
Insert a feele
r
gauge between the rocker arm and
shim.
Check the valve clearance for the ex haust va lves
using a feeler gauge.
VALVE
CLEARANCE:
EX:
0.28
±
0.03
mm
(0.011
±
0.001
in)
VALVE CLEARANCE ADJUSTMENT
Remove the
camshaft
holder assembly.
-
'05
-
'07:
(page
9-8)
-
After
'07: (page
9-16)
The shims may stick to the inside
of
the valve
lifter. Do not allow the shims to fall
i
nto the
crankcase.
Remove the shims.
Mark all valve lifters and shims to ensure correct
reassembly in their original locations.
The shims can be easily removed
with
tweezers
or a magnet.
Clean the
va
lve shim contact area in the valve lifter
with
compressed ai
r.
VALVE LIFTER

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