The most expensive part in this assembly is the Countershaft Comp.
With a quantity of four pieces, the Washer,thrust25mm is the most used part in the REAR BALANCER / TRANSMISSION diagram.
Parts such as the Rear Balancer / Transmission: Gear,m/shaft,3, Washer,thrust, Gear,m/sha.third, Needle Brg are included in the Xr500 1980 (a) Usa Rear Balancer / Transmission parts fiche.