GAS GAS F0103TG, Owner'S Manual

Page: 35 / 121

TUNING THE CHASSIS 10
33
E01335-10
(All RACING models)
–
Loosen retaining ring
1
.
–
Adjust the spring preload by turning adjusting ring
2
.
Guideline
Spring preload 7.5 mm (0.295 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
.
10.7 Checking the riding sag of the shock absorber
402417-10
–
Measure dimension
A
of rear wheel unloaded. ( p. 31)
–
With another person holding the motorcycle, the rider, wearing full
protective clothing, sits on the seat in a normal riding position (feet
on footrests) and bounces up and down a few times.
The rear wheel suspension levels out.
–
Another person again measures the distance between the rear axle
and the rear fender using the sag gage.
–
Note the value as dimension
C
.
Info
The riding sag is the difference between measurements
A
and
C
.
–
Check riding sag.
Guideline
Riding sag (All RACING models) 70 … 75 mm (2.76 … 2.95 in)
Riding sag (TXT GP 125) 70 … 75 mm (2.76 … 2.95 in)
Riding sag (TXT GP
250/280/300) 70 … 75 mm (2.76 … 2.95 in)
» If the riding sag differs from the specified measurement:
–
Adjust the riding sag. ( p. 33)
10.8 Adjusting the riding sag
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.)
Preparatory work
–
Raise the motorcycle with a lift stand. ( p. 38)
–
Turn tap handle of the fuel tap to the OFF position.
–
Remove the fuel tank. ( p. 52)
–
Remove the air filter box. ( p. 47)
–
Remove main silencer. ( p. 51)