Fork Oil Change - Honda CRF250R Owner's Manual

Suspension
Recommended Fork Oil
viscosity (weight) 5 W
suggested oil Pro Honda HP Fork Oil or
equivalent

Fork Oil Change

Refer to Front Suspension Disassembly on page
97.
1. Record the rebound damping adjuster position
and turn the adjuster counterclockwise until it
stops.
2. Hold the outer tube (1), then remove the fork
damper (2) from the outer tube using a lock
nut wrench (3). Gently slide the outer tube
down onto the lower end of the slider (4).
(2)
(1)
(3)
(1) outer tube (3) lock nut wrench
(2) fork damper (4) slider, lower end
74
Servicing Your Honda
NOTICE
The outer tube (1) can drop on the slider and
damage the fork dust seal (5) and guide bushing
(6) when the fork damper is removed. To avoid
damage, hold both the outer tube and slider (7)
when removing the fork damper.
(1) outer tube
(5) fork dust seal
3. Drain the fork oil from the outer tube (1).
Drain the fork oil from the oil hole (9) of the
fork damper.
(1)
(4)
(1) outer tube
(5)
(6)
(7)
(6) guide bushing
(7) slider
(1)
(9)
(9) oil hole
4. Drain the fork oil by turning the outer tube (1)
upside down. (About 12 cc of fork oil will be
left in the outer tube when it is left inverted
for about 20 minutes at 20 °C/68°F.)
(1)
(1)
(1) outer tube
Amount of fork oil left in the fork
(within damper and spring)
minute
5 10
°C/°F
30/86 27 15.3
20/68 29.4 16.5
10/50 28.2 21.2
0/32 30.6 22.4
unit: cc
20 35 55 85 145
10.6 9.4 8.3 7.9 7.9
11.8 10.6 9.4 8.2 8.2
16.5 15.3 12.9 11.8 11.8
18.8 16.5 16.5 15.3 14.1