GAS GAS EX 250 2023, Owner'S Manual

Page: 40 / 144

10 TUNING THE CHASSIS
38
402659-10
Main work
–
Loosen screw
1
.
–
Turn adjusting ring
2
until the spring is no longer under tension.
Hook wrench (90129051000)
Info
If the spring cannot be fully released, the spring must be
removed to accurately measure the spring length.
–
Measure the total spring length while the spring is not under ten-
sion.
–
Tension the spring by turning adjusting ring
2
to specified dimen-
sion
A
.
Guideline
Spring preload 7 mm (0.28 in)
Info
Depending on the static sag and/or the riding sag, it may be
necessary to increase or decrease the spring preload.
–
Tighten screw
1
.
Guideline
Screw, shock absorber
adjusting ring
M5 5 Nm (3.7 lbf ft)
Finishing work
–
Install the shock absorber. ( p. 53)
–
Remove the motorcycle from the lift stand. ( p. 43)
10.11 Adjusting the riding sag
Preparatory work
–
Raise the motorcycle with a lift stand. ( p. 43)
–
Remove the shock absorber. ( p. 51)
–
After removing the shock absorber, clean it thoroughly.
B00292-10
Main work
–
Choose and mount a suitable spring.
Guideline
Spring rate
Weight of rider: 65 … 75 kg
(143 … 165 lb.)
39 N/mm (223 lb/in)
Weight of rider: 75 … 85 kg
(165 … 187 lb.)
42 N/mm (240 lb/in)
Weight of rider: 85 … 95 kg
(187 … 209 lb.)
45 N/mm (257 lb/in)
Info
The spring rate is shown on the outside of the spring.
Finishing work
–
Install the shock absorber. ( p. 53)
–
Remove the motorcycle from the lift stand. ( p. 43)
–
Check the static sag of the shock absorber. ( p. 36)