Some items from this specific schematic: Guide,chain, Bush,pivot Thrust, Slider Chain Guid, Washer Fender Set.
Check out any of the forty-one Rear Fork/drive Chain (1) components enlisted.
The most reasonably priced component used on the Cr250r Elsinore 1984 (e) Australia Rear Fork/drive Chain (1) is the Screw,cross 5x10.