KTM 450 SMR, Owner'S Manual, Page: 27 / 100

10 TUNING THE CHASSIS
25
10.6 Measuring rear wheel sag unloaded
Preparatory work
–
Raise the motorcycle with the lift stand. ( p. 30)
400988-10
Main work
–
Measure the vertical distance between the rear axle and a fixed point such as a
marking on the side cover.
–
Note down the value as dimension
A
.
Finishing work
–
Remove the motorcycle from the lift stand. ( p. 30)
10.7 Checking static sag of shock absorber
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–
Measure distance
A
of rear wheel unloaded. ( p. 25)
–
Hold the motorcycle upright with the aid of an assistant.
–
Measure the distance between the rear axle and the fixed point again.
–
Note down the value as dimension
B
.
Info
The static sag is the difference between measurements
A
and
B
.
–
Check the static sag.
Static sag 20 mm (0.79 in)
» If the static sag is less or more than the specified value:
–
Adjust the spring preload of the shock absorber.
x
( p. 26)
10.8 Checking riding sag of shock absorber
400990-10
–
Measure distance
A
of rear wheel unloaded. ( p. 25)
–
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.
The rear wheel suspension levels out.
–
Another person now measures the distance between the rear axle and a fixed point.
–
Note down the value as dimension
C
.
Info
The riding sag is the difference between measurements
A
and
C
.
–
Check the riding sag.
Riding sag 75 mm (2.95 in)
» If the riding sag differs from the specified measurement:
–
Adjust the riding sag. x ( p. 26)