10 TUNING THE CHASSIS 33
10.8 Checking the static sag of the shock absorber
402416-10
–
Measure distance
A
of rear wheel unloaded. ( p. 32)
– Hold the motorcycle upright with the aid of an assistant.
– Again measure the distance between the rear axle and marking SAG on the rear
fender using the sag gauge.
–
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 (SX‑F EU) 35 mm (1.38 in)
Static sag (SX‑F US) 35 mm (1.38 in)
Static sag (XC‑F US) 35 mm (1.38 in)
Static sag (SX‑F Factory Edition) 35 mm (1.38 in)
» If the static sag is less or more than the specified value:
– Adjust the spring pretension of the shock absorber. ( p. 33)
10.9 Checking the riding sag of the shock absorber
402417-10
–
Measure distance
A
of rear wheel unloaded. ( p. 32)
– 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 again measures the distance between the rear axle and
marking SAG on the rear fender using the sag gauge.
–
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 (SX‑F EU) 105 mm (4.13 in)
Riding sag (SX‑F US) 105 mm (4.13 in)
Riding sag (XC‑F US) 105 mm (4.13 in)
Riding sag (SX‑F Factory Edition) 105 mm (4.13 in)
» If the riding sag differs from the specified measurement:
– Adjust the riding sag. ( p. 34)
10.10 Adjusting the spring pretension of the shock absorber
Caution
Risk of injury Parts of the shock absorber will fly off if the shock absorber is disassembled incorrectly.
The shock absorber is filled with highly compressed nitrogen.
– Please follow the description provided. (Your authorized KTM workshop will be glad to help.)
Info
Before changing the spring pretension, make a note of the present setting, e.g., by measuring the length of the spring.
Preparatory work
– Raise the motorcycle with a lift stand. ( p. 40)
– Remove the shock absorber. ( p. 47)
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