Checking The Static Sag Of The Shock Absorber; Adjusting The Spring Preload Of The Shock Absorber - KTM 50 SX Owner's Manual

MAINTENANCE WORK ON CHASSIS AND ENGINE

Checking the static sag of the shock absorber

9.5

Adjusting the spring preload of the shock absorber

9.6
Danger
Danger of accidents The shock absorber is under high pressure.
–
The shock absorber is filled with highly compressed nitrogen, so never dismantle the shock absorber or carry out any main-
tenance on it yourself.
–
Measure distance
–
Ask someone to help you by holding the motorcycle upright.
–
Measure the distance between the rear axle and the fixed point again.
A 0 0 A
–
Make a note of the value as measurement
Info
The static sag is the difference between measurements
–
Check the static sag.
Static sag (50 SX)
Static sag (50 SX Junior)
Static sag (50 SX Mini)
» If the static sag is less or more than the specified value:
0 0 0 B B
–
Adjust the spring preload of the shock absorber.
400221-10
x
–
Remove shock absorber.
–
After removing the shock absorber, clean it thoroughly.
–
Measure the full spring length while it is under tension and note down the value.
–
Loosen lock ring
–
Turn adjusting ring
Combination wrench (50329080000)
Hook wrench (T106S)
–
Measure the overall spring length when not under tension.
–
Tighten the spring by turning adjusting ring
Requirement
700506-01
Spring preload (50 SX)
Standard
Spring preload (50 SX Junior)
Standard
Spring preload (50 SX Mini)
Standard
Info
Measure is the difference between the relaxed spring length and the ten-
sioned spring length.
Depending on the static sag and/or the riding sag, it may be necessary to
increase or decrease the spring preload.
–
Tighten lock ring
–
Installing shock absorber.
of rear wheel unloaded. (

.

20 mm (0.79 in)
20 mm (0.79 in)
10 mm (0.39 in)
x ( p. 23)
.

until the spring is no longer under tension.


3 mm (0.12 in)
5 mm (0.2 in)
5 mm (0.2 in)
.

( p. 23)
x
p. 21)
and .
 
( p. 22)
x
to measurement.
22