Ducati Diavel Owners Manual: Beam setting
When checking beam setting, put the motorcycle upright.
Tyres should be inflated at the correct pressure and one person should be sitting astride the motorcycle, keeping it at right angles to its longitudinal axis. Place the motorcycle opposite a wall or a screen, 10 meters apart from it, draw a horizontal line on the wall at the height of the centre of the headlight and a vertical one in line with the longitudinal axis of the motorcycle.
If possible, perform this check in dim light.
Switch on the low beam headlight.
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 headlamp from the ground.
Note
The procedure described here is in compliance with the italian standard establishing the maximum height of the light beam.
Owners in other countries should adapt this procedure to the regulations in force in the country where the motorcycle is used.
To adjust the headlight beam vertically, turn the screws (1), for horizontal adjustment, turn the screw (2).
Replacing the high and low beam bulbs
Before replacing a burnt-out bulb, make sure that the new
bulb complies with the voltage and wattage specified in the
"wiring diagram", page 179. Always test the new bulb
before refitting ...
Rear-view mirror adjustment
The rear-view mirror can be adjusted manually by pressing
points (a).
...
Other materials:
Tips for use on the road
Activate the dtc, select level 8 and ride the motorcycle in
your usual style; if the level of dtc intervention seems
excessive, try reducing the setting to levels 7, 6, etc., Until
you find the level that suits you best.
If changes in the grip conditions and/or circuit characteristics
and/or ...
Refitting the rear wheel
Lubricate the wheel shaft threaded end with prescribed grease.
Insert the wheel shaft by matching (a) with pins (b).
Install spacer (3) with the conical surface faced to the wheel conical
surface, washer (2), apply prescribed grease to nut
(1) and insert it by hand (1).
Tighten the ...
Adjusting the chain tension
Make the rear wheel turn until you find the position where chain is tightest.
Set the vehicle on the side stand. Push down
the chain at the point of measurement and release. Measure the distance between
the "aperture" upper profile and pin
centre.
The read distance must be: 9 to 11 mm.
...