Check The Riding Sag Of The Shock Absorber; Adjusting Spring Preload Of The Shock Absorber - KTM 450 SX-F Owner's Manual

MAINTENANCE WORK ON CHASSIS AND ENGINE

Check the riding sag of the shock absorber.

8.10

Adjusting spring preload of the shock absorber

8.11
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
maintenance on it yourself.
Info
Before changing the spring preload, make a note of the present setting, e.g., by measuring the length of the spring.
2 2
1 1
A A
–
Measure distance
–
With another person holding the motorcycle, sit on the saddle with full protective
clothing in a normal sitting position (feet on footrests) and bounce up and down a
few times until the rear suspension levels out.
A 0 0 A
–
The other person now has to measure the distance between the rear axle and a fixed
point.
–
Make a note of the value as measurement
Info
The riding sag is the difference between measurements
–
Check the riding sag.
Riding sag (450 SX-F, 505 SX-F)
Riding sag (450 XC-F, 505 XC-F)
C C
> If the riding sag differs from the specified measurement:
–
Adjust the riding sag. (
400222-10
x
–
Remove shock absorber. (
–
After removing the shock absorber, clean it thoroughly.
–
Loosen screw
–
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
Rules
Spring preload
–
Tighten screw
Rules
Screw, shock absorber
adjusting ring
–
Installing shock absorber (
400216-10
of rear wheel unloaded. (
A
C
24)
24)
.
1
until the spring is no longer under tension.
2
.
2
M6
24)
22)
.
and
A C
107 mm (4.21 in)
110 mm (4.33 in)
to measurement .
1 A
7 mm (0.28 in)
5 Nm (3.69 lbf ft)
23
.