Ducati SPORTCLASSIC SPORT 1000 Use And Maintenance Manual page 52

Change the bulbs (4).
Notes
Do not touch the transparent part of the bulb with your
fingers, this will darken it and cause a loss of brightness.
Insert the tabs on the bulb base into the corresponding slots
in the bulb housing to ensure the bulb is correctly positioned;
engage the end of the clip (3, fig. 45) with the mount in
E
the headlight body. Reconnect the wiring.
To renew the sidelight bulb, detach the wiring connector.
The bulb (5) is of the bayonet-type: press and twist anti-
clockwise to remove. Push the new bulb in and turn it
clockwise until it clicks into place. Reconnect the wiring
connector and replace the lens/reflector assembly.
52
4
5
fig. 46
fig. 47