KTM 450 SX-F EU User Manual

10 TUNING THE CHASSIS 31
– 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 (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. 44)
–
Install the manifold. x
– Install the main silencer. ( p. 48)
– Remove the motorcycle from the lift stand. ( p. 35)
10.10 Adjusting the riding sag x
Preparatory work
– Raise the motorcycle with the lift stand. ( p. 35)
– Remove the main silencer. ( p. 47)
–
Remove the manifold. x
–
Remove the shock absorber. x ( p. 43)
– After removing the shock absorber, clean it thoroughly.
B00292-10
Main work
– Choose and mount a suitable spring.
Guideline
Spring rate (SX‑F EU)
Weight of rider: 65… 75 kg (143…
165 lb.)
54 N/mm (308 lb/in)
Weight of rider: 75… 85 kg (165…
187 lb.)
57 N/mm (325 lb/in)
Weight of rider: 85… 95 kg (187…
209 lb.)
60 N/mm (343 lb/in)
Spring rate (SX‑F USA)
Weight of rider: 65… 75 kg (143…
165 lb.)
54 N/mm (308 lb/in)
Weight of rider: 75… 85 kg (165…
187 lb.)
57 N/mm (325 lb/in)
Weight of rider: 85… 95 kg (187…
209 lb.)
60 N/mm (343 lb/in)
Spring rate (XC‑F)
Weight of rider: 65… 75 kg (143…
165 lb.)
54 N/mm (308 lb/in)
Weight of rider: 75… 85 kg (165…
187 lb.)
57 N/mm (325 lb/in)
Weight of rider: 85… 95 kg (187…
209 lb.)
60 N/mm (343 lb/in)

KTM 450 SX-F EU Specifications

General

Brand	KTM
Model	450 SX-F EU
Category	Motorcycle
Language	English