The Screw,cross 5x10 is the lowest priced item on this Rear Fork/drive Chain (1) schematic.
Parts such as the Rear Fork/drive Chain (1): Bolt,flang,6x16, Adjuster,chain, Bolt,flange,8x70, Retainer,chain are included in the Cr250r Elsinore 1984 (e) Canada / Cmf Rear Fork/drive Chain (1) parts fiche.
With eight applications this Screw,flat,5x4 is the most specified part.