KTM 125 SX EU 2015, Owner'S Manual

Page: 36 / 129

10 TUNING THE CHASSIS
34
» If the riding sag differs from the specified measurement:
–
Adjust the riding sag. x ( p. 34)
10.9 Adjusting the spring preload of the shock absorber
x
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. ( p. 39)
–
Remove the main silencer. ( p. 51)
–
Remove the shock absorber.
x
( p. 47)
–
After removing the shock absorber, clean it thoroughly.
401025-10
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 (125/150 SX) 8 mm (0.31 in)
Spring preload (250 SX EU) 8 mm (0.31 in)
Spring preload (250 SX US) 8 mm (0.31 in)
Spring preload (All XC models) 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 preload.
–
Tighten screw  .
Guideline
Screw, shock absorber adjusting ring M5 5 Nm (3.7 lbf ft)
Finishing work
–
Install the shock absorber.
x
( p. 47)
–
Install the main silencer. ( p. 51)
–
Remove the motorcycle from the lift stand. ( p. 39)
10.10 Adjusting the riding sag
x
Preparatory work
–
Raise the motorcycle with the lift stand. ( p. 39)
–
Remove the main silencer. ( p. 51)
–
Remove the shock absorber.
x
( p. 47)
–
After removing the shock absorber, clean it thoroughly.