KTM 450 SMR User Manual
Page 25

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MAINTENANCE WORK ON CHASSIS AND ENGINE
23
Measuring rear wheel sag unloaded
ಥ
Jack up the motorcycle. (
P. 21)
400389-10
ಥ
Measure the distance
ಥ as vertical as possible ಥ between the rear axle and a fixed
point, for example, a mark on the side cover.
ಥ
Make a note of the value as measurement
.
ಥ
Remove the motorcycle from the work stand. (
P. 21)
Checking static sag of the shock absorber
400383-10
ಥ
Measure distance
of rear wheel unloaded. (
P. 23)
ಥ
Ask someone to help you by holding the motorcycle upright.
ಥ
Measure the distance between the rear axle and the fixed point again.
ಥ
Make a note of the value as measurement
.
Info
The static sag is the difference between measurements
and
.
ಥ
Check the static sag.
Static sag
15… 20
mm (0.59… 0.79in)
»
If the static sag is less or more than the specified value:
ಥ
Adjust the spring preload of the shock absorber. (
P. 24)
Check the riding sag of the shock absorber.
400384-10
ಥ
Measure distance
of rear wheel unloaded. (
P. 23)
ಥ
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.
ಥ
The other person now has to measure the distance between the rear axle and a
fixed point.
ಥ
Make a note of the value as measurement
.
Info
The riding sag is the difference between measurements
and
.
ಥ
Check the riding sag.
Riding sag
80… 90
mm (3.15… 3.54in)
»
If the riding sag differs from the specified measurement:
ಥ
Adjust the riding sag. (
P. 24)