The eleven Gs750en 1979 (n) Usa (e03) Starter Clutch component parts are all listed in this schematic.
The lowest price component in this Starter Clutch parts-list fiche is the Spring.
Some items from this specific schematic: Clutch Set,starter, Shim,starter Clutch Hub, Piece,push, Washer(13.3x25x0.85).