11 TUNING THE CHASSIS 44
– Install the KTM PowerPack. ( p. 94)
– Lock the seat. ( p. 63)
11.7 Checking the static sag of the shock absorber
400989-10
–
Measure distance
of rear wheel unloaded. ( p. 43)
– 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
.
Info
The static sag is the difference between measurements
and
.
– 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. ( p. 44)
11.8 Checking the riding sag of the shock absorber
400990-10
–
Measure distance
of rear wheel unloaded. ( p. 43)
– 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
.
Info
The riding sag is the difference between measurements
and
.
– Check the riding sag.
Riding sag 100 mm (3.94 in)
» If the riding sag differs from the specified measurement:
– Adjust the riding sag. ( p. 45)
11.9 Adjusting the spring preload of the shock absorber
Caution
Danger of accidents Disassembly of pressurized parts can lead to injury.
– The shock absorber is filled with high density nitrogen. Adhere to the description provided. (Your authorized KTM workshop
will be glad to help.)
Info
Before changing the spring preload, make a note of the present setting, e.g., by measuring the length of the spring.
Preparatory work
– Deactivate the vehicle. ( p. 37)
– Fold the seat up. ( p. 63)
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