Honda CRF450X 2020 Owner's Manual & Competition Handbook page 116

Suspension
6. 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.
2.2 in (55 mm)
1.0 in
(25 mm)
0.30 in
(7.5 mm)
7. Hold the fork center bolt lock nut (3) and
remove the fork center bolt (2) 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.
(1)
(1) axle holder (3) fork center bolt lock nut
(2) fork center bolt (4) piston base
108
Servicing Your Honda
8. Remove the push rod (5) from the fork damper.
9. Remove the piston base (4) or mechanic's
stopper tool between the axle holder (1) and
fork center bolt lock nut (3) while pushing the
fork outer tube.
NOTICE
Be careful not to damage the lock nut and fork
center bolt hole.
(3)
(1) axle holder
(3) fork center bolt lock nut (5) push rod
10. Remove the fork damper assembly (6) from
the fork assembly (7).
Remove the fork from the vise.
(3)
Remove the fork spring (8), spring seat collar
(9) and back-up ring/seat stopper (10) from the
fork assembly.
(4)
(2)
NOTICE
Do not attempt to separate the fork assembly and
drop the axle holder out from the outer tube, which
can damage the guide bushings (11).
To avoid damage, hold both the outer tube and
slider.
(1)
(4)
(11) guide bushing
(5)
(4) piston base
(6) fork damper assembly
(7) fork assembly
(8) fork spring
(9) spring seat collar
(10) back-up ring/seat stopper
(11)
(10)
(9)
(8)
(6)
(7)