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MAINTENANCE WORK ON CHASSIS AND ENGINE
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According to our experience, the damping rate of the compression stage can
remain unchanged. The damping rate of the rebound stage can be reduced
by a few clicks for a softer spring or increased by a few clicks for a harder
spring.
Checking the basic setup of the telescopic fork
The precise riding sag of the telescopic fork cannot be determined for vari-
ous reasons. Similar to the shock absorber, smaller deviations in your weight
can be compensated by adjusting the spring preload. However, if your tele-
scopic fork bumps frequently (hard end stop during compression), you should
install harder fork springs to avoid damaging the telescopic fork and frame.
Changing the spring preload on the telescopic fork (XC, EXC Six Days)
The telescopic forks on the XC/EXC Six Days models are equipped with a pre-
load adjuster.
You can easily adjust the spring preload by 10 mm by turning the adjusting
screw [1].
Turning in a clockwise direction will increase the prestress, turning in a coun-
terclockwise direction will decrease the prestress.
Changing the spring preload will not affect the rebound damping adjustment.
Generally, if the spring preload is higher, the rebound damping should also
be set higher.
STANDARD SETTING:
Unscrew the adjusting screw to the limit and then back 2 turns.
Changing the spring preload on the telescopic fork (XC-W/EXC models)
The telescopic forks for these models must be partly disassembled to adjust
the spring preload (see WP manual). Pretension spacers are available in
heights of 1.5, 2.5, 5 and 10 mm (see spare parts catalog). The fork springs
may not be pretensioned by more than 20 mm.
The preload adjuster used in the XC/EXC Six Days models can easily be retro-
fitted for the telescopic forks of the XC-W/EXC models.
NOTE:
WP precisely adjusts the spring pressure by inserting pretension spacers.
Fluctuations in production are compensated with pretension spacers in vari-
ous heights. This can cause the fork springs in the fork legs to have different
degrees of pretension. Fork springs and pretension spacers should always stay
together.
MODELL SOFTER
STANDARD
HARDER
12187C02
125/200 EXC, XC-W
69-250
72-250
76-250
12187C27
125 EXC Six Days, 200 XC
69-250
72-250
76-250
12187C04
250/300 EXC, XC-W
72-250
76-250
80-250
12187C28
250/300 XC/EXC Six Days
72-250
76-250
80-250
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