Ducati Streetfighter Owner's Manual page 95

The side position of the left beam can be corrected using the
screw (1, fig. 86) on the rear side of the headlamp. Turn the
screw clockwise to move the beam to the right, counter
clockwise to move it to the left.
The height of the beam can be corrected using the screw (2,
fig. 87) on the rear side of the headlamp. Turn the screw
clockwise to lower the beam, anticlockwise to raise it.
E
94
1
fig. 86
2
fig. 87