KTM 50 SX 2020, Owner'S Manual

Page: 37 / 141

TUNING THE CHASSIS 10
35
–
Tighten the spring to the specified measurement by turn-
ing adjusting ring
2
.
Guideline
Spring preload 3 mm (0.12 in)
Info
The spring preload is the difference between the
relaxed spring length and the tensioned spring
length.
Depending on the static sag and/or the riding sag, it
may be necessary to increase or decrease the spring
preload.
–
Tighten retaining ring
1
.
F02187-10
(50 SX Mini)
–
Measure the full spring length while it is under tension and
note down the value.
–
Loosen retaining ring
1
.
–
Turn adjusting ring
2
until the spring is no longer under
tension.
Hook wrench (T304)
Hook wrench (T1533)
–
Measure the total spring length while the spring is not
under tension.
–
Tighten the spring to the specified measurement by turn-
ing adjusting ring
2
.
Guideline
Spring preload
Standard 5 mm (0.2 in)
Info
The spring preload is the difference between the
relaxed spring length and the tensioned spring
length.
Depending on the static sag and/or the riding sag, it
may be necessary to increase or decrease the spring
preload.
–
Tighten retaining ring
1
.
Finishing work
–
Install the shock absorber. ( p. 55)
–
Remove the motorcycle from the lift stand. ( p. 41)