User Manual - Page 91

For 2017 CRF450X.

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Servicing Your Honda 87
Suspension
6. Pour the recommended fork oil (page 86) into
the outer tube.
Fork Oil Capacity:
Standard oil
capacity
11.0 US oz
(324 cm
3
)
Maximum oil
capacity
13.6 US oz
(402 cm
3
)
Slightly stiffer as
it nears full
compression.
Slightly softer as
it nears full
compression.
Minimum oil
capacity
10.3 US oz
(306 cm
3
)
Standard 26.32 lbf/in (4.61 N/mm) Fork Spring
1 scribe mark
(aftermarket parts)
No mark
(factory products)
or
Optional Softer 25.18 lbf/in (4.41 N/mm) Fork Spring
Standard oil
capacity
11.2 US oz
(330 cm
3
)
Maximum oil
capacity
13.8 US oz
(407 cm
3
)
Slightly stiffer as
it nears full
compression.
Slightly softer as
it nears full
compression.
Minimum oil
capacity
10.5 US oz
(311 cm
3
)
2 scribe mar ks
Optional Stiffer 27.47 lbf/in (4.81 N/mm) Fork Spring
Standard oil
capacity
11.1 US oz
(327 cm
3
)
Maximum oil
capacity
13.7 US oz
(405 cm
3
)
Slightly stiffer as
it nears full
compression.
Slightly softer as
it nears full
compression.
Minimum oil
capacity
10.5 US oz
(309 cm
3
)
3 scribe mar ks
7. Check that the O-ring (9) on the fork
damper (2) is in good condition. Apply
the recommended fork oil to the O-ring.
Temporarily install the fork damper to the
outer tube (1).
After installing the fork leg (page 123),
tighten the fork damper to the specified
torque:
Actual:
25 lbf·ft (34 N·m, 3.5 kgf·m)
Torque wrench scale reading:
23 lbf·ft (31 N·m, 3.2 kgf·m), using a 20 in
(50 cm) long torque wrench.
When using the lock nut wrench, use a 20 in (50
cm) long deflecting beam type torque wrench.
The lock nut wrench increases the torque
wrench’s leverage, so the torque wrench reading
will be less than the torque actually applied to the
fork damper.
(1)
(9)
(2)
(1) outer tube
(2) fork damper
(9) O-r
ing
Be sure the oil capacity is the same in both fork
legs.
17CRF450X31MEY710.indb87 2016/06/0811:46:04
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