Honda CRF450R 2011 Owner's Manual page 129

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
120
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 centre bolt (28).
(23) axle holder (28) fork centre bolt
18. Make the mechanic's stopper tool out of a thin
piece of steel (2.0 mm (0.08 in) thick) as shown
if you do not have a special tool.
(27)
19. Push the fork centre bolt (28) out from the axle
holder (23) of the slider by pushing the fork
damper. While the fork centre bolt is pushed
out, install the piston base (29) or a mechanic's
stopper tool between the axle holder and fork
centre bolt lock nut (30).
• Piston base
20. Hold the fork centre bolt lock nut and remove
the fork centre 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)
55 mm (2.2 in)
25 mm
(1.0 in)
7.5 mm
(0.30 in)
07958-2500001