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4. Drain the fork oil by turning the outer tube (1)
upside down. (About 13.7 cm
0.48 Imp oz) 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) outer tube
Pour the drained oil into a suitable container and
dispose of it in an approved manner (page 168).
Improper disposal of drained oil is harmful to the
environment.
Amount of fork oil left in the fork
(within damper and spring)
minute
5
10
20
35
°C/°F
30/86 16.5
14.1
12.7
11.8
20/68 17.4
15
13.7
12.6
10/50 18.9
16.5
14.8
13.7
0/32
20
18.4
15.9
14.5
0°C/32°F
10°C/50°F
20°C/68°F
Inverted time
Fork Oil Refilling
3
(0.46 US oz,
1. Pour the recommended fork oil into the outer
tube (1).
Be sure the oil capacity is the same in both fork
legs.
(1)
(1) outer tube
Recommended Oil:
Pro Honda HP Fork Oil, A15-00
Recommended Standard Amount:
(CRF450RX)
unit: cm
3
363 cm
3
55
85
145
(CRF450R)
11
10.1
8.6
356 cm
3
11.5
10.5
9.1
Fill the fork oil which is obtained by docking off
12.5
11.4
9.8
the amount of the remaining oil in the fork from the
13.7
13
11.7
recommended standard fork oil capacity.
Refer to Front Suspension Adjustments on
page 145.
30°C/86°F
(minutes)
(12.3 US oz, 12.8 Imp oz)
(12.0 US oz, 12.5 Imp oz)
Suspension
2. Apply the recommended fork oil to a new O-ring
(2). Install the O-ring on the fork damper
assembly (3).
(2) O-ring (new)
(3) fork damper assembly
3. Pull up the fork outer tube (1) slowly and
temporarily tighten the fork damper assembly
(3) using the lock nut wrench (4).
07WMA-KZ30100
• Lock nut wrench
(4)
(3)
(1)
(1) outer tube
(4) lock nut wrench
(3) fork damper assembly
Servicing Your Honda
(2)
(3)
105
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