Measuring Rear Wheel Sag Unloaded; Checking Static Sag Of Shock Absorber; Checking Riding Sag Of Shock Absorber - KTM 450 EXC Owner's Manual

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TUNING THE CHASSIS

Measuring rear wheel sag unloaded

9.6

Checking static sag of shock absorber

9.7

Checking riding sag of shock absorber

9.8
Raise the motorcycle with the lift stand. (
Measure the distance – as vertically as possible – between the rear axle and a fixed
point, such as a mark on the side cover.
Make note of the value as measurement
0 0 A
A
Remove the motorcycle from the lift stand. (
400220-10
Measure distance
Hold the motorcycle upright with the aid of an assistant.
Measure the distance between the rear axle and the fixed point again.
0 0 A
A
Make note of the value as measurement
Info
The static sag is the difference between measurements
Check the static sag.
Static sag
»
If the static sag is less or more than the specified value:
Adjust the spring preload of the shock absorber.
0 0 0 B
B
400221-10
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.
0 0 A
A
The rear wheel suspension levels out.
Another person now measures the distance between the rear axle and a fixed point.
Make note of the value as measurement
Info
The riding sag is the difference between measurements
Check the riding sag.
Riding sag
C
C
»
If the riding sag differs from the specified measurement:
Adjust the riding sag.
400222-10
p. 44)
.
of rear wheel unloaded. (
.
35 mm (1.38 in)
of rear wheel unloaded. (
.
105 mm (4.13 in)
x
(
p. 40)
p. 44)
p. 39)
and
.
(
p. 40)
x
p. 39)
and
.
39

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