The most expensive part in this assembly is the Rim,rr.wheel.
Parts such as the Rear Wheel: Collar,rr.axle Di, Spg-washer 8mm, B/brg Rad N/com, Washer,10mm are included in the Xr600r 1988 (j) Belgium Rear Wheel parts fiche.
This schematic depicts all components used in the Xr600r 1988 (j) Belgium Rear Wheel partslist.