2002 Ducati Monster 900 i.e. Owners Manual - Page 121

Note Never touch the transparent body of the new bulb with your fingers or it will blacken resulting in reduced bulb brilliancy. Insert the locating pegs of the bulb base into their seats to obtain correct alignment; hook the clip (3) to the headlamp holders. Reconnect the cables. To change the parking light bulb, withdraw the bulb holder (4, fig. 35). The bulb is of the bayonet-type: press and rotate anti-clockwise to remove. Fit the spare bulb by pressing and turning clockwise until it clicks Fit the bulb holder again and assemble the rim-reflector assembly. fig. 35 E 49