KTM 250 SX, Owner'S Manual, Page: 39 / 145

10 TUNING THE CHASSIS
37
–
After removing the shock absorber, clean it thoroughly.
M01133-10
Main work
(All 125/150 models)
–
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 EU) 5 mm (0.2 in)
Spring preload (125/150 SX US) 7 mm (0.28 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)
401025-10
(All 250/300 models)
–
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 (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. ( p. 54)
–
Install the main silencer. ( p. 62)
–
Remove the motorcycle from the lift stand. ( p. 44)
10.11 Adjusting the riding sag
Preparatory work
–
Raise the motorcycle with a lift stand. ( p. 44)
–
Disassemble the main silencer. ( p. 61)
–
Remove the shock absorber. ( p. 52)
–
After removing the shock absorber, clean it thoroughly.