Honda 2004 XR400R Owner's Manual page 106

Compression Damping
Compression damping affects how quickly the
fork compresses.
The fork compression damping adjuster has at
least 14 positions (clicks). Turning the adjuster
screw one full turn advances the adjuster
4 positions.
Always start with the full hard position when
adjusting damping.
To adjust to the standard position:
LEFT FRONT
(1)
(1) compression damping adjuster
Suspension
(cont'd)
Servicing Your Honda
97