The component with the lowest price in the TURN SIGNAL - VT1100C (95-96) schematic is the Screw,tap 4x25.
On this parts fiche the Screw,tap 4x25 is the most specified component.
A sample from the products for the Turn Signal - Vt1100c (95-96) include: Bulb, Winker, Lens Fr.winker, Bolt,socket,6x22, Screw,special 6x8.