Honda CRF450R 2009 Service Manual page 431

FRONT WHEEUSUSPENSION/STEERING
Be
careful not to
Install a new snap ring to the damper rod as shown.
damage or deform
SNAP RING
$."
....
the snap ring.
Bleed any trapped
air at the O-ring
seating surface by
ruming the O-ring.
Completely submerge the damper rod in the oil.
Install a new O-ring to the rod guide.
Shake the damper rod until there are no air bubbles.
Be careful not to damage the damper
rod
and
damper piston, especially around the damper rod
sliding surface.
DAMPER ROD
O-RING S "
Bleed any air out from the damper case and damper
~=================~
piston following the procedure below: In oil: DAMPER PISTON
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1. Install the damper piston into the damper case,
pump the damper rod quickly.
NOTE :
To open the piston valve, pump the piston rod
/, -
quickly. --
2. Remove the damper piston from the damper case.
3. Bring any air out from the damper case by using
your finger as shown.
4. Repeat steps 1 through 3 at least three times until
there are no air bubbles in the damper case and
damper piston.
Install the damper rod into the damper case
carefully.
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DAMPER ROD
AIR BUBBLES
14-71