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FRONT FORK SETTING
The front fork setting should be made depend-
ing on the rider's feeling of an actual run and
the circuit conditions.
The front fork setting includes the following
three factors:
1. Setting of air spring characteristics
• Change the fork oil level.
2. Setting of spring preload
• Change the spring.
• Install the adjustment washer.
3. Setting of damping force
• Change the compression damping.
• Change the rebound damping.
The spring acts on the load and the damping
force acts on the cushion travel speed.
CHANGE IN LEVEL AND
CHARACTERISTICS OF FORK OIL
Damping characteristic near the final stroke
can be changed by changing the fork oil
amount.
Adjust the oil level in 5 mm (0.2 in) incre-
ments or decrements. Too low oil level
causes the front fork to produce a noise at
full rebound or the rider to feel some pres-
sure on his hands or body. Alternatively,
too high oil level will develop unexpectedly
early oil lock with the consequent shorter
front fork travel and deteriorated perfor-
mance and characteristics. Therefore, ad-
just the front fork within the specified range.
Standard oil level:
132 mm (5.20 in)
Extent of adjustment:
95–150 mm (3.74–5.91 in)
From top of outer tube with inner
tube and damper rod fully com-
pressed without spring.
A. Air spring characteristics in relation to oil
level change
B. Load
C. Stroke
1. Max. oil level
2. Standard oil level
3. Min. oil level
ADJUSTING THE SPRING PRELOAD
The spring preload is adjusted by installing the
adjustment washer "1" between the fork spring
"2" and damper rod "3".
Do not install three or more adjustment
washers for each front fork.
4-2
CHASSIS
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