KTM 450 SX ATV Owner's Manual page 172

TECHNICAL DATA - FRONT SHOCK ABSORBER
Spring length, main spring
Spring length, auxiliary spring
Fitted length
Gas pressure
Shock absorber oil
275 mm (10.83 in)
60 mm (2.36 in)
463 mm (18.23 in)
10 bar (145 psi)
Shock absorber oil (SAE 2.5) (50180342S1) (
170
p. 177)