10 TUNING THE CHASSIS 31
» If the riding sag differs from the specified measurement:
–
Adjust the riding sag. x ( p. 31)
10.9 Adjusting the spring preload of the shock absorber x
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
– Raise the motorcycle with the lift stand. ( p. 36)
–
Remove the manifold. x
–
Remove the shock absorber. x ( p. 45)
– After removing the shock absorber, clean it thoroughly.
401025-10
Main work
–
Loosen screw
1
.
–
Turn adjusting ring
2
until the spring is no longer under tension.
Hook wrench (T106S)
– Measure the overall spring length while the spring is not under tension.
–
Tighten the spring by turning adjusting ring
2
to measurement
A
.
Guideline
Spring preload (SX‑F EU) 14 mm (0.55 in)
Spring preload (SX‑F USA) 12 mm (0.47 in)
Spring preload (SX‑F Factory Edition) 8 mm (0.31 in)
Spring preload (XC‑F) 12 mm (0.47 in)
Info
Depending on the static sag and/or the riding sag, it may be necessary to
increase or decrease the spring preload.
–
Tighten screw
1
.
Guideline
Screw, shock absorber adjusting ring M5 5 Nm (3.7 lbf ft)
Finishing work
–
Install the shock absorber. x ( p. 46)
–
Install the manifold. x
– Remove the motorcycle from the lift stand. ( p. 36)
10.10 Adjusting the riding sag x
Preparatory work
– Raise the motorcycle with the lift stand. ( p. 36)
–
Remove the manifold. x
–
Remove the shock absorber. x ( p. 45)
– After removing the shock absorber, clean it thoroughly.
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