TUNING THE CHASSIS 10
47
Guideline
Spring rate (SX
‑
F EU)
Weight of rider: 65 …
75 kg (143 … 165 lb.)
39 N/mm (223 lb/in)
Weight of rider: 75 …
85 kg (165 … 187 lb.)
42 N/mm (240 lb/in)
Weight of rider: 85 …
95 kg (187 … 209 lb.)
45 N/mm (257 lb/in)
Spring rate (SX
‑
F US)
Weight of rider: 65 …
75 kg (143 … 165 lb.)
42 N/mm (240 lb/in)
Weight of rider: 75 …
85 kg (165 … 187 lb.)
45 N/mm (257 lb/in)
Weight of rider: 85 …
95 kg (187 … 209 lb.)
48 N/mm (274 lb/in)
Spring rate (XC
‑
F US)
Weight of rider: 65 …
75 kg (143 … 165 lb.)
42 N/mm (240 lb/in)
Weight of rider: 75 …
85 kg (165 … 187 lb.)
45 N/mm (257 lb/in)
Weight of rider: 85 …
95 kg (187 … 209 lb.)
48 N/mm (274 lb/in)
Spring rate (HERLINGS REPLICA)
Weight of rider: 65 …
75 kg (143 … 165 lb.)
36 N/mm (206 lb/in)
Weight of rider: 75 …
85 kg (165 … 187 lb.)
39 N/mm (223 lb/in)
Weight of rider: 85 …
95 kg (187 … 209 lb.)
42 N/mm (240 lb/in)
Spring rate (FACTORY EDITION)
Weight of rider: 65 …
75 kg (143 … 165 lb.)
42 N/mm (240 lb/in)
Weight of rider: 75 …
85 kg (165 … 187 lb.)
45 N/mm (257 lb/in)
Weight of rider: 85 …
95 kg (187 … 209 lb.)
48 N/mm (274 lb/in)
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. (
Summary of Contents for 450 SX-F 2019
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