In this schematic the "Cap Dust Seal" is used most often.
Parts such as the Rear Fork/drive Chain (4): Wash,chain Slider, Roller,chain Tens, Joint,drive Chain, Plate,chain Guide are included in the Cr125r 1987 (h) Australia Rear Fork/drive Chain (4) parts fiche.
The Screw,cross 5x8 is the cheapest item from this partsfiche.