11
TUNING THE CHASSIS
33
11.8
Checking the riding sag of the shock absorber
400990-10
–
Measure distance
of rear wheel unloaded. (
–
With another person holding the motorcycle, the rider, wearing full protective cloth-
ing, sits on the seat in a normal sitting position (feet on footrests) and bounces up
and down a few times.
The rear wheel suspension levels out.
–
Another person now measures the distance between the rear axle and a fixed point.
–
Note down the value as dimension
.
Info
The riding sag is the difference between measurements
and
.
–
Check the riding sag.
Riding sag
80 mm (3.15 in)
» If the riding sag differs from the specified measurement:
–
Adjust the riding sag.
11.9
Adjusting the spring preload of the shock absorber
Caution
Danger of accidents
Disassembly of pressurized parts can lead to injury.
–
The shock absorber is filled with high density nitrogen. Adhere to the description provided. (Your authorized KTM workshop
will be glad to help.)
Info
Before changing the spring preload, make a note of the present setting, e.g., by measuring the length of the spring.
Preparatory work
–
Raise the motorcycle with the lift stand. (
–
Fold the seat up. (
–
Remove the shock absorber.
–
After removing the shock absorber, clean it thoroughly.
401026-10
Main work
–
Loosen screw
.
–
Turn adjusting ring
until the spring is no longer under tension.
Hook wrench (T106S)
–
Measure the overall spring length while the spring is not under tension.
–
Tighten the spring by turning adjusting ring
to measurement
.
Guideline
Spring preload
Comfort
12 mm (0.47 in)
Standard
12 mm (0.47 in)
Sport
12 mm (0.47 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
.
Guideline
Screw, shock absorber adjusting ring
M5
5 Nm (3.7 lbf ft)