11 TUNING THE CHASSIS
55
11.9
Adjusting the spring pretension of the shock absorber
Caution
Risk of injury
Parts of the shock absorber will fly off if the shock absorber is disassembled incorrectly.
The shock absorber is filled with highly compressed nitrogen.
–
Please follow the description provided. (Your authorized KTM workshop will be glad to help.)
Info
Before changing the spring pretension, make a note of the present setting, e.g., by measuring the length
of the spring.
Preparatory work
–
Raise the motorcycle with a lift stand. (
–
Remove the shock absorber.
–
After removing the shock absorber, clean it thoroughly.
402405-10
Main work
–
Loosen screw
1
.
–
Turn adjusting ring
2
until the spring is no longer under ten-
sion.
Hook wrench (90129051000)
–
Measure the overall spring length while the spring is not under
tension.
–
Tighten the spring by turning adjusting ring
2
to measure-
ment
A
.
Guideline
Spring preload
Comfort
8 mm (0.31 in)
Standard
8 mm (0.31 in)
Sport
8 mm (0.31 in)
Info
Depending on the static sag and/or the riding sag, it
may be necessary to increase or decrease the spring
pretension.
–
Tighten screw
1
.
Guideline
Screw, shock absorber
adjusting ring
M5
5 Nm (3.7 lbf ft)
Finishing work
–
Install the shock absorber.
–
Remove the motorcycle from the lift stand. (
