Checking The Riding Sag Of The Shock Absorber; Adjusting The Spring Preload Of The Shock Absorber - KTM 300 EXC Owner's Manual

11 TUNING THE CHASSIS
11.8

Checking the riding sag of the shock absorber

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.
–
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 a fixed point.
–
Note down the value as dimension
Info
The riding sag is the difference between measurements
–
Check the riding sag.
Guideline
(All 125/200 models)
Riding sag
(All 250/300 models)
Riding sag
» If the riding sag differs from the specified measurement:
400990-10
–
Adjust the riding sag.
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 while the spring is not under tension.
–
Tighten the spring by turning adjusting ring
Guideline
(All 125/200 models)
Spring preload
Comfort
Standard
Sport
(All 250/300 models)
Spring preload
Comfort
Standard
401026-10
Sport

of the unloaded rear wheel. (

.
( p. 45)
( p. 65)

.

until the spring is no longer under tension.
p. 43)
 and
100... 110 mm (3.94... 4.33 in)
105... 115 mm (4.13... 4.53 in)
p. 52)
 
to measurement .
10 mm (0.39 in)
10 mm (0.39 in)
10 mm (0.39 in)
7 mm (0.28 in)
7 mm (0.28 in)
7 mm (0.28 in)
44
 .