User Manual - Page 122

For 2016 CRF450X.

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118 Adjustments for Competition
Front Suspension Adjustments
13. Screw in the fork center bolt lock nut (9) to
the fork damper piston rod (6) fully.
(6)
(9)
(6) fork damper piston rod
(9) fork center bolt loc
k nut
Turn the rebound adjuster and compression
adjuster counterclockwise to the softest position.
Check the fork damper piston rod sliding surface
for damage.
Apply fork oil to the fork damper piston rod
sliding surface.
Cover the fork damper piston rod end with soft
jaws (10) to prevent fork damage.
NOTICE
Be careful not to bend or damage the fork
damper piston rod when the piston rod is stroked.
10. Place the fork damper (1) in a vise with a
piece of wood or soft jaws to avoid damage.
11. Tighten the fork cap assembly (2) while
holding the cut out of the fork damper using
a lock nut wrench (3) to the specified torque:
22 Ibf·ft (30 N·m, 3.1 kgf·m)
(1)
(3)
(2)
(1) fork damper
(2) fork cap assembly
(3) lock nut wrench
12. Hold the fork damper (1) in an upright
position and pump the fork damper piston rod
(6) to 3.9 in (100 mm) slowly several times.
(1)
(6)
(1) fork damper
(6) fork damper piston r
od
8. Extend the fork damper piston rod to
maximum. Adjust the oil level of the fork
damper (1) as shown.
Oil Level: 1.7 – 1.9 in (42 – 47 mm)
1.7 – 1.9 in
(42 – 47 mm)
(1)
(1) fork damper
9. Apply fork oil to the bushing (7) and new
O-rings (8) on the fork cap assembly (2).
Extend the fork damper piston rod to
maximum, holding it, install the fork cap
assembly to the fork damper (1).
Be careful not to damage the fork cap bushing.
If it is difficult to install the fork cap assembly,
the fork damper oil level might be higher than
standard oil level. Inspect the fork damper oil
level again.
(1)
(2)
(7)
(8)
(1) fork damper (7) bushing
(2) fork cap assembly (8) O-rings
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