Some items from this specific schematic: Lever-comp,change, Stud,6x14, Collar,13x18.3x21.5, Ring-snap,11mm.
On this parts fiche the Bolt-flanged-small is the most specified component.
twenty-seven components are listed in the schematic for this En500c7 Vulcan500ltd 2002 Usa California Canada Gear Change Mechanism .