On this parts fiche the Screw-pan Head,6x16 is the most specified component.
Some items from this specific schematic: Tube,5x9x230, Tube,7.3x12.5x320, Spring, Carburetor,rh.
The En500c6f Vulcan500ltd 2006 Usa California Canada Carburetor consists of twenty-five pieces with the Carburetor Assembly being the most expensive.