Honda 2004 XR400R Owner's Manual page 112

11. To increase spring pre-load:
Loosen the lock nut ( ) with the optional pin
spanner and turn the adjusting nut ( ) to
shorten the spring length. Do not shorten to
less than:
8.08 in (205.3 mm)
(2)
(3)
(2) lock nut
(3) adjusting nut
2
3
To decrease spring pre-load:
Loosen the lock nut ( ) with the optional pin
spanner and turn the adjusting nut ( ) to
increase the spring length. Do not increase to
more than:
8.56 in (217.3 mm)
Each turn of the adjuster changes spring
length and spring pre-load. One turn equals:
spring length/spring pre-load:
0.06 in (1.5 mm)
12. Tighten the lock nut and install the removed
parts.
Suspension
2
3
/ 33.1 lbs (15.0 kg)
(cont'd)
Servicing Your Honda
103