Adjusting The Spring Preload Of The Shock Absorber - GAS GAS MC 450F 2021 Owner's Manual

10 TUNING THE CHASSIS
10.10
38

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.
Preparatory work
–
Raise the motorcycle with a lift stand. (
–
Remove the shock absorber.
–
After removing the shock absorber, clean it thoroughly.
Main work
–
1
Loosen screw
–
Turn adjusting ring
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
A
sion .
Guideline
Spring preload (MC)
Spring preload (EX)
Info
402659-10
Depending on the static sag and/or the riding sag, it may be
necessary to increase or decrease the spring preload.
–
1
Tighten screw
Guideline
Screw, shock absorber
adjusting ring
Finishing work
–
Install the shock absorber.
–
Check the free travel of the foot brake lever. (
–
Remove the motorcycle from the lift stand. (
p. 44)
( p. 54)
.
2
until the spring is no longer under tension.
2
to specified dimen-
8 mm (0.31 in)
7 mm (0.28 in)
.
M5 5 Nm (3.7 lbf ft)
( p. 55)
p. 81)
p. 44)