Parts such as the Turnsignal: Screw, Lens Fitting, Lens, Flasher, Stay, Flasher 1, Stay, Flasher 2 are included in the Xv750c Virago 1989 (k) California Turnsignal parts fiche.
The component with the lowest price in the TURNSIGNAL schematic is the Screw, Lens Fitting.
With a quantity of four pieces, the Nut, Flange(1fw) is the most used part in the TURNSIGNAL diagram.