Parts such as the Clutch: Bolt(6x40), Washer(15.5x28x1), Pin(6x6), Bearing(15x28x2) are included in the Gs500eu 1992 (n) Germany Australia (e22 E24) Clutch parts fiche.
The Pin(6x6) is the cheapest item from this partsfiche.
The Suzuki CLUTCH has thirty-five products enlisted in the schematic.