Yamaha YZ450FA 2011, Owner'S Service Manual

Page: 227 / 318

5-33
FRONT FORK
28.Inspect:
• Gap "a" between the adjuster "1" and lock-
nut "2".
Out of specification
→
Retighten and read-
just the locknut.
If the adjuster is installed out of specification,
proper damping force cannot be obtained.
29.Tighten:
• Adjuster (locknut) "1"
Hold the locknut "2" and tighten the adjuster
with specified torque.
30.Install:
• Adjuster "1"
To inner tube.
31.Fill:
• Front fork oil "1"
From outer tube top.
Never fail to make the oil amount adjust-
ment between the maximum and minimum
amount and always adjust each front fork to
the same setting. Uneven adjustment can
cause poor handling and loss of stability.
• Be sure to use recommended fork oil. If
other oils are used, they may have an ex-
cessively adverse effect on the front fork
performance.
• Never allow foreign materials to enter the
front fork.
Gap "a" between the adjuster and
locknut:
0.5–1.0 mm (0.02–0.04 in)
Adjuster (locknut):
29 Nm (2.9 m•kg, 21 ft•lb)
Adjuster:
55 Nm (5.5 m•kg, 40 ft•lb)
Recommended oil:
Suspension oil "S1"
Standard oil amount:
355 cm
3
(12.5 Imp oz, 12.0 US oz)
Extent of adjustment:
300–365 cm
3
(10.6–12.8 Imp oz,10.1–12.3 US oz)