10 TUNING THE CHASSIS 30
– 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 (250 SX‑F EU) 13 mm (0.51 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. 43)
– Remove the motorcycle from the lift stand. ( p. 34)
10.10 Adjusting the riding sag x
Preparatory work
– Raise the motorcycle with the lift stand. ( p. 34)
–
Remove the shock absorber. x ( p. 42)
– After removing the shock absorber, clean it thoroughly.
B00292-10
Main work
– Choose and mount a suitable spring.
Guideline
Spring rate (250 SX‑F EU)
Weight of rider: 65… 75 kg (143…
165 lb.)
51 N/mm (291 lb/in)
Weight of rider: 75… 85 kg (165…
187 lb.)
54 N/mm (308 lb/in)
Weight of rider: 85… 95 kg (187…
209 lb.)
57 N/mm (325 lb/in)
Spring rate (SX‑F USA)
Weight of rider: 65… 75 kg (143…
165 lb.)
51 N/mm (291 lb/in)
Weight of rider: 75… 85 kg (165…
187 lb.)
54 N/mm (308 lb/in)
Weight of rider: 85… 95 kg (187…
209 lb.)
57 N/mm (325 lb/in)
Spring rate (XC‑F)
Weight of rider: 65… 75 kg (143…
165 lb.)
51 N/mm (291 lb/in)
Weight of rider: 75… 85 kg (165…
187 lb.)
54 N/mm (308 lb/in)
Weight of rider: 85… 95 kg (187…
209 lb.)
57 N/mm (325 lb/in)
Info
The spring rate is shown on the outside of the spring.
Finishing work
–
Install the shock absorber. x ( p. 43)
