Honda CRF450R 2020, Owner'S Manual & Competition Handbook

Page: 113 / 199

108
Servicing Your Honda
Suspension
8. Pump the fork damper piston rod (2) slowly
several times to bleed the air from the fork
damper assembly (4).
9. Apply the recommended fork oil to the fork
bolt bushings (5), new O-rings (7) and new
piston ring (8) on the fork bolt assembly (3).
10. Cover the oil holes (9) of the fork damper
assembly with a shop towel and compress the
piston rod (2) all the way.
Pull the piston rod out 0.8 in (20 mm) and
install the fork bolt assembly (3) into the fork
damper assembly (4).
Push the fork bolt assembly in slowly while
pulling the piston rod out.
Be careful not to damage the fork bolt piston ring.
11. Temporarily tighten the fork bolt assembly (3)
to the fork damper assembly (4).
12. Completely screw in the fork center bolt lock
nut (1) to the fork damper piston rod (2).
13. Check the fork damper piston rod sliding
surface and threads for damage.
(2) fork damper piston rod
(4) fork damper assembly
(3) fork bolt assembly (7) O-rings (new)
(5) fork bolt bushings (8) piston ring (new)
(4)
(2)
(7)
(7) (8) (7)
(3) (5)
(2) fork damper piston rod (4) fork damper assembly
(3) fork bolt assembly
(9) oil holes
(3)
(4)
(2)
(9)
(3) fork bolt assembly (4) fork damper assembly
(1) fork center bolt lock nut
(2) fork damper piston rod
(4)
(3)
(1)
(2)