2015 Kawasaki KX250F Owners Manual - Page 188

2015 Kawasaki KX250F Manual

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TUNING 187 does not feel as "hard" in the later stage of fork travel. Fork Oil Amount Effect on Fork Stroke Listed below are some symptoms of improper suspension settings and the most likely means of correcting them. The proper settings can be achieved by applying the information given in this chapter in a scientific, methodical manner. This does not mean, however, that you must be a scientist or trained technician to succeed. Simply take time to think about the changes you believe are necessary, check them against the symptoms and cures described here, make the changes in small increments, and take note of the changes and their effects. Front Fork Improper Adjustment Symptoms Too Hard Spring too stiff: Rebound or compression damping improperly adjusted. Spring too hard Fork oil amount too high Troubleshooting Improper Settings j A. Weight B. Fork Stroke C. Increase Amount D. Standard Oil Amount E. Decrease Amount Changing the fork oil amount works effectively at the end of fork travel. If fork bottoming is experienced, raise the fork oil amount. This will change the secondary spring rate. Front Fork Oil Amount Adjustment Adjust the front fork oil amount (see Front Suspension section). • • • • Suspension stiffens at the end of the fork stroke: oil amount too high • Fork • Fork air pressure high Spring OK, but suspension too hard: oil deteriorated • Fork Fork air pressure high • Spring preload too hard • • Too Soft The front fork dives excessively during braking and deceleration: Fork oil amount too low

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TUNING
187
j
does not feel as “hard” in the later stage of fork
travel.
Fork Oil Amount Effect on Fork Stroke
A. Weight
B. Fork Stroke
C. Increase Amount
D. Standard Oil Amount
E. Decrease Amount
Changing the fork oil amount works effectively at
the end of fork travel.
If fork bottoming is experi-
enced, raise the fork oil amount. This will change
the secondary spring rate.
Front Fork Oil Amount Adjustment -
•
Adjust the front fork oil amount (see Front Suspen-
sion section).
Troubleshooting Improper Settings
Listed below are some symptoms of improper sus-
pension settings and the most likely means of cor-
recting them. The proper settings can be achieved
by applying the information given in this chapter in a
scientific, methodical manner. This does not mean,
however, that you must be a scientist or trained tech-
nician to succeed. Simply take time to think about
the changes you believe are necessary, check them
against the symptoms and cures described here,
make the changes in small increments, and take
note of the changes and their effects.
Front Fork Improper Adjustment Symptoms -
Too Hard
Spring too stiff:
•
Rebound or compression damping improperly ad-
justed.
•
Spring too hard
•
Fork oil amount too high
Suspension stiffens at the end of the fork stroke:
•
Fork oil amount too high
•
Fork air pressure high
Spring OK, but suspension too hard:
•
Fork oil deteriorated
•
Fork air pressure high
•
Spring preload too hard
Too Soft
The front fork dives excessively during braking
and deceleration:
•
Fork oil amount too low