Headlight Aim - Ducati Diavel Workshop Manual

Lights and indicating devices
Refit the connector (3) to the lamp (4), the cover (2) to the headlight, then tighten the screws (1).
Low beam (LO)
To change the Lo beam headlight bulb (6) see the procedure described above for the Hi beam headlight bulb.
Replace the lamp with a new one of the same type and rating (Sect. 3 - 1.1,
Note
Do not touch the transparent part of the bulb with your fingers, this will darken it and cause a loss of brightness.

Headlight aim

The motorcycle must be perfectly upright with the tires inflated to the correct pressure and with a rider seated, perfectly
perpendicular to the longitudinal axis.
Position the motorcycle 10 metres from a wall or a screen.
On the wall or surface, draw a horizontal line at the same height from the ground as the centre of the headlight and a
vertical line aligned with the longitudinal axis of the motorcycle.
Note
If possible, perform this check in conditions of low ambient light.
Switch on the low beam. The height of the upper limit between the dark area and the lit area must not be more than nine
tenths of the height of the centre of the headlight from the ground.
Note
This is the procedure specified by Italian regulations for checking the maximum height of the light beam.
Lights/instrument panel).