Ducati 999R Anleitung- Und Instandhaltungsheft Seite 158

If you wish to set steering head angle at 23° 30', match the
last hole at the front end of the steering lock peg (3) with
the mounting hole in the steering head. Apply medium-
strength threadlocker to the screw (2) and use the screw
to secure the steering damper, after installing the steering
lock peg (3).
Rotate the ball joint (A) of the steering damper rod through
180°. Apply medium-strength threadlocker to the screw
(1) you have removed previously and secure the steering
E
damper with the screw.
A
Grease the screw (4) you have slackened previously and
1
tighten.
fig. 64
65