KTM 450 SX ATV Owner's Manual page 174

TECHNICAL DATA - REAR SHOCK ABSORBER
Spring length, main spring
Spring length, auxiliary spring
Fitted length
Gas pressure
Shock absorber oil
200 mm (7.87 in)
55 mm (2.17 in)
440.5 mm (17.342 in)
10 bar (145 psi)
Shock absorber oil (SAE 2.5) (50180342S1) (
172
p. 177)