Adjusting The Riding Sag; Checking The Basic Setting Of The Fork - KTM 450 XC-F Owner's Manual

10 TUNING THE CHASSIS
10.11

Adjusting the riding sag

10.12

Checking the basic setting of the fork

Info
For various reasons, no exact riding sag can be determined for the forks.
–
Remove the motorcycle from the lift stand. (
Preparatory work
–
Raise the motorcycle with a lift stand. (
–
Remove the shock absorber.
–
After removing the shock absorber, clean it thoroughly.
Main work
–
Choose and mount a suitable spring.
Guideline
Spring rate (SX‑F EU)
Weight of rider: 65... 75 kg (143...
165 lb.)
Weight of rider: 75... 85 kg (165...
187 lb.)
Weight of rider: 85... 95 kg (187...
B00292-10
209 lb.)
Spring rate (SX‑F US)
Weight of rider: 65... 75 kg (143...
165 lb.)
Weight of rider: 75... 85 kg (165...
187 lb.)
Weight of rider: 85... 95 kg (187...
209 lb.)
Spring rate (XC‑F US)
Weight of rider: 65... 75 kg (143...
165 lb.)
Weight of rider: 75... 85 kg (165...
187 lb.)
Weight of rider: 85... 95 kg (187...
209 lb.)
Info
The spring rate is shown on the outside of the spring.
Finishing work
–
Install the shock absorber.
–
Check the free travel of the foot brake lever. (
–
Check the static sag of the shock absorber. (
–
Check the riding sag of the shock absorber. (
–
Adjust the rebound damping of the shock absorber. (
–
Remove the motorcycle from the lift stand. (
–
As with the shock absorber, smaller differences in the rider's weight can be com-
pensated by the spring preload.
–
However, if the fork is often overloaded (hard end stop on compression), harder
springs must be fit to avoid damage to the fork and frame.
401000-01
p. 36)
p. 36)
( p. 44)
45 N/mm (257 lb/in)
48 N/mm (274 lb/in)
51 N/mm (291 lb/in)
45 N/mm (257 lb/in)
48 N/mm (274 lb/in)
51 N/mm (291 lb/in)
45 N/mm (257 lb/in)
48 N/mm (274 lb/in)
51 N/mm (291 lb/in)
( p. 45)
p. 64)
p. 29)
p. 30)
p. 28)
p. 36)
31