Honda CRF450RX 2020 Owner's Manual & Competition Handbook page 116

2. Tighten the fork center bolt lock nut (2) fully
and measure the thread length (A) as shown.
Standard: 0.35 – 0.43 in (9 – 11 mm)
Wipe the oil completely off the fork damper.
(A)
(2)
(2) fork center bolt lock nut (A) thread length
3. Apply the recommended fork oil to the slider
bushing (3).
Install the seat stopper (4), back-up ring (5)
and spring seat collar (6) to the fork damper
(7).
Make sure the black side of the back-up ring is
seated on the seat stopper side.
(7)
(4)
(5)
(6) (3)
(3) slider bushing (6) spring seat collar
(4) seat stopper (7) fork damper
(5) back-up ring
4. Blow out the oil completely off the fork spring
(8).
Put the fork spring on the fork damper
assembly (9).
Install the spring/fork damper assembly into
the fork assembly (1).
(8)
(1) fork assembly
(8) fork spring
(4)
(5)
5. Temporarily tighten the fork damper assembly
• Lock nut wrench
(9)
(9) fork damper assembly (11) lock nut wrench
(1)
(10) outer tube
(9) fork damper assembly
6. Place the lower end (axle holder) (12) of the
Over-tightening the vise can damage the axle
holder.
Suspension
(9) to the outer tube (10) using the lock nut
wrench (11).
07WMA-KZ30100
(11)
(9)
(10)
slider in a vise with a piece of wood or soft
jaws to avoid to damage.
Servicing Your Honda
(cont'd)
111