10 TUNING THE CHASSIS
32
10.5
Checking the static sag of the shock absorber
402416-10
–
Measure dimension
A
of rear wheel unloaded. (
–
Hold the motorcycle upright with aid of an assistant.
–
Measure the distance again between the rear axle and the rear
fender using the sag gage.
–
Note the value as dimension
B
.
Info
The static sag is the difference between measurements
A
and
B
.
–
Check the static sag.
Static sag (All RACING models)
10 … 15 mm (0.39 … 0.59 in)
Static sag (TXT GP 125)
10 … 15 mm (0.39 … 0.59 in)
Static sag (TXT GP
250/280/300)
10 … 15 mm (0.39 … 0.59 in)
» If the static sag is less or more than the specified value:
–
Adjust the spring pretension of the shock absorber.
(
10.6
Adjusting the spring preload of the shock absorber
Caution
Risk of injury
Parts of the shock absorber will move around if the shock absorber is detached incorrectly.
The shock absorber is filled with highly compressed nitrogen.
–
Please follow the description provided. (Your authorized GASGAS Motorcycles workshop will be glad to help.)
Info
Note the current adjustment before changing the spring preload - e.g. measure the spring length.
Info
Depending on the static sag and/or the riding sag, it may be necessary to increase or decrease the spring preload.
E01747-10
(All GP models)
–
Loosen retaining ring
1
.
–
Adjust the spring preload by turning adjusting ring
2
.
Guideline
Spring preload (TXT GP 125)
7 mm (0.28 in)
Spring preload (TXT GP
250/280/300)
7 mm (0.28 in)
Info
Turn counterclockwise to increase the spring preload.
Turning clockwise reduces the spring preload.
The necessary tools are included.
–
Hold adjusting ring
2
and tighten retaining ring
1
.