Checking The Riding Sag Of The Shock Absorber; Adjusting The Spring Preload Of The Shock Absorber - KTM 250 EXC EU Repair Manual

9 SHOCK ABSORBER, SWINGARM
9.6

Checking the riding sag of the shock absorber

9.7

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.
Info
Before changing the spring preload, make a note of the present setting, e.g., by measuring the length of the spring.
–
Measure distance
–
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 the fixed
point.
–
Note down the value as dimension
Info
The riding sag is the difference between measurements
–
Check the riding sag.
Guideline
Riding sag
» If the riding sag differs from the specified measurement:
–
Adjust the riding sag. (
400990-10
Preparatory work
–
Raise the motorcycle with the lift stand. (
–
Remove the shock absorber. (
–
After removing the shock absorber, clean it thoroughly.
Main work
–
Loosen screw
–
Turn adjusting ring
Hook wrench (T106S) (
–
Measure the overall spring length when not under tension.
–
Tighten the spring by turning adjusting ring
Guideline
Spring preload
Comfort
Standard
Sport
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
401026-10
Screw, shock absorber adjusting ring
Finishing work
–
Install the shock absorber. (
–
Remove the motorcycle from the lift stand. (
of the unloaded rear wheel. (
A
.
C
p. 61)
p. 61)
.
1
until the spring is no longer under tension.
2
p. 276)
.
1
p. 61)
p. 59)
and
A
105... 115 mm (4.13... 4.53 in)
p. 10)
to measurement .
2 A
7 mm (0.28 in)
7 mm (0.28 in)
7 mm (0.28 in)
M5 5 Nm (3.7 lbf ft)
p. 10)
60
.
C