The most reasonably priced component used on the Gs750es 1983 (d) Usa (e03) Clutch is the Washer.
Some items from this specific schematic: Bearing(35x40x39.8), Screw, Plate,clutch Pressure, Washer(25x54x2.5).
The Clutch is made up of components including this Gear Assembly,primary Drive which is the most expensive.