Honda 2005 CRF450R Owner's Manual page 107

Front Suspension Adjustments
10. Tighten the fork cap assembly (2) while
holding the cut out of the fork damper (1)
using the lock nut wrench (3) to the specified
torque:
22 Ibf·ft (30 N·m, 3.1 kgf·m)
(2)
(3)
(1) fork damper (3) lock nut wrench
(2) fork cap assembly
11. Hold the fork damper (1) in an upright
position and pump the fork damper piston rod
(5) to 3.9 in (100 mm) slowly several times.
(1)
(5)
(1) fork damper (5) fork damper piston rod
102
Adjustments for Competition
12. Screw in the lock nut (8) to the fork damper
piston rod (5) fully.
(1)
(5) fork damper piston rod
Turn the rebound adjuster and compression
adjuster counterclockwise to the softest position.
Check the fork damper piston rod sliding surface
for damage.
Apply fork oil to the fork damper piston rod
sliding surface.
Cover the fork damper piston rod end with soft
jaws (9) to prevent fork damage.
NOTICE
Be careful not to bend or damage the fork
damper piston rod when the piston rod is stroked.
13. Blow the extra oil off to the fork damper (1)
spring chamber (10) by pumping the fork
damper piston rod to full stroke.
(1) fork damper
(9) soft jaws
14. Drain the extra oil from the oil hole (5) of the
By doing this procedure, about 0.6 US oz (17
(5)
cm
damper spring chamber through the oil hole and
(8)
cause 5.9 US oz (175 cm
in the chamber.
(8) lock nut
(1) fork damper
15. Blow out the oil from the fork damper spring
16. If you can not use compressed air, remove the
(10)
(1)
(9)
(10) spring chamber
(11) pressure release screw
fork damper (1).
3 ) of fork fluid will be drained from the
3 ) of fork fluid to be left
(1) (5)
(5) oil hole
chamber using compressed air to the oil hole.
Wipe the oil completely off the fork damper.
pressure release screw (11) on the fork cap (12).
Hold the fork damper up side down for 10
minutes and drain the oil from the fork
damper spring chamber.
(11)
(12)
(12) fork cap