Honda CRF450R 2009 Owner's Manual & Competition Handbook page 118

Front Suspension Adjustments
14. Hold the outer tube, then remove the fork
damper (6) from the outer tube using a lock
nut wrench (7). Gently slide the outer tube
down onto the lower end (axle holder) (23).
(6)
(23)
(7)
(6) fork damper (23) axle holder
(7) lock nut wrench
NOTICE
The outer tube (24) can drop on the slider (25)
and damage the fork dust seal (21).
To avoid damage, hold both the outer tube and
slider when removing the fork damper.
(21)
NO GOOD
(24)
(25)
(21) fork dust seal (25) slider
(24) outer tube
112
Adjustments for Competition
15. Drain the fork oil from the outer tube/slider
(26) and oil holes (27) of the fork damper.
(26)
(26) outer tube/slider (27) oil holes
16. Place the lower end (axle holder) (23) of the
slider in a vise with a piece of wood or soft
jaws to avoid to damage.
NOTICE
Over-tightening the vice can damage the axle
holder.
17. Remove the fork center bolt (28).
(23) axle holder (28) fork center bolt
18. Make the mechanic's stopper tool out of a thin
piece of steel (0.08 in (2.0 mm) thick) as
shown if you do not have a special tool.
(27)
19. Push the fork center bolt (28) out from the
axle holder (23) of the slider by pushing the
fork damper. While the fork center bolt is
pushed out, install the piston base (29) or a
mechanic's stopper tool between the axle
holder and fork center bolt lock nut (30).
• Piston base
20. Hold the fork center bolt lock nut and remove
the fork center bolt from the fork damper.
NOTICE
Do not remove the lock nut from the fork damper
piston rod. If the lock nut is removed, the piston
rod will fall in the fork damper and you may not
reassemble the fork damper.
(23)
(28)
2.2 in (55 mm)
1.0 in
(25 mm)
0.30 in
(7.5 mm)
07958-2500001