On this parts fiche the Screw(3x12) is the most specified component.
Some items from this specific schematic: Reflector Assy,rr, Nut, Nut, Washer(5.5x20x1.2).
The thirty Vl800 Boulevard C50 2011 (l1) Usa California Canad (e03 E33 E28) Rear Combination Lamp (vl800 E33) component parts are all listed in this schematic.