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10 TUNING THE CHASSIS
10.12
46
Checking the basic setting of the fork
Info
For various reasons, no exact riding sag can be determined for the fork.
401000-01
Guideline
Spring rate (250 SX EU)
Weight of rider: 65 ...
75 kg (143 ... 165 lb.)
Weight of rider: 75 ...
85 kg (165 ... 187 lb.)
Weight of rider: 85 ...
95 kg (187 ... 209 lb.)
Spring rate (250 SX US)
Weight of rider: 65 ...
75 kg (143 ... 165 lb.)
Weight of rider: 75 ...
85 kg (165 ... 187 lb.)
Weight of rider: 85 ...
95 kg (187 ... 209 lb.)
Spring rate (All XC models)
Weight of rider: 65 ...
75 kg (143 ... 165 lb.)
Weight of rider: 75 ...
85 kg (165 ... 187 lb.)
Weight of rider: 85 ...
95 kg (187 ... 209 lb.)
Info
The spring rate is shown on the outside of the spring.
Finishing work
–
Install the shock absorber.
–
Remove the motorcycle from the lift stand. (
–
Check the static sag of the shock absorber. (
–
Check the riding sag of the shock absorber. (
–
Adjust the rebound damping of the shock absorber. (
–
Smaller differences in the rider's weight can be compensated
for by the fork air pressure.
–
However, if the fork frequently bottoms out (hard end stop on
compression), the fork air pressure must be increased, within
the specified values, to avoid damage to the fork and frame.
–
If the fork feels unusually hard after extended periods of oper-
ation, the fork legs need to be bled.
39 N/mm (223 lb/in)
42 N/mm (240 lb/in)
45 N/mm (257 lb/in)
39 N/mm (223 lb/in)
42 N/mm (240 lb/in)
45 N/mm (257 lb/in)
39 N/mm (223 lb/in)
42 N/mm (240 lb/in)
45 N/mm (257 lb/in)
(
p. 62)
p. 52)
p. 43)
p. 44)
p. 42)
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