The most reasonably priced component used on the Pe250 1977 (b) Usa (e03) Clutch is the Washer.
The Clutch assembly is constructed from several parts from which the Gear Assembly,primary Drive is the most expensive.
Parts such as the Clutch: Bolt(6x12), Plate,clutch Drive (mca), Nut (20mm), Washer,lock are included in the Pe250 1977 (b) Usa (e03) Clutch parts fiche.