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Adjustments for Competition 107
Front Suspension Adjustments
Both compression and rebound damping can be
increased by turning the adjuster clockwise.
NOTICE
Always start with full hard when adjusting
damping.
Do not turn the adjuster screw more than the given
positions or the adjuster may be damaged.
Be sure that the rebound and compression
adjusters are firmly located in a detent, and not
between positions.
The fork springs in CRF’s are about right for riders
weighing between 150 and 160 lb (less riding
gear). So if you're a heavier rider, you have to go
up on the oil level or get a stiffer spring. Do not use
less oil than the minimum specified for each spring
or there will be a loss of rebound damping control
near full extension. If the fork is too hard on big
bumps, turn the damping adjuster
counterclockwise 1-turn and lower the oil level in
increments of 0.2 US oz (5 cm
3
) in both fork legs
until the desired performance is obtained. Do not,
however, lower the oil level below the minimum
oil level.
Minimum oil capacity:
Standard spring: 10.2 US oz (303 cm
3
)
Softer spring: 10.4 US oz (308 cm
3
)
Stiffer spring: 10.3 US oz (306 cm
3
)
When adjusting oil levels, bear in mind that the air
in the fork will increase in pressure while riding;
therefore, the higher the oil level, the higher the
eventual pressure of any air in the fork.
• If your CRF is brand-new, put enough part-
throttle break-in time (about one hour) on it to
ensure that the suspension has worked in.
• For optimum performance, and extended fork
life, the fork should be completely disassembled
and cleaned after the first three hours of riding.
See the Service Manual or your dealer for this
service.
• When disassembling the fork, turn the rebound
(1) and compression (2) damping adjusters
counterclockwise to the softest position to
prevent damaging the adjustment needle (be sure
to record the number of turns from the starting
position).
(1) rebound damping
adjuster
(2) compression damping
adjuster
(1)
(2)
Fork Springs
Force (N)
Stroke (mm)
Oil capacity 13.5 US oz (399 cm
3
)
(MAX)
Oil capacity 11.7 US oz (345 cm
3
)
(STANDARD)
Oil capacity 10.2 US oz (303 cm
3
)
(MIN)
Front Suspension Disassembly
(1) rebound damping
adjuster
(2) compression damping
adjuster
(1)
(2)
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