Some items from this specific schematic: Stopper, Cam, Plate, Stopper, Spring, Tension (256-18143-02), Screw, Pan Head (1r0).
With a quantity of four pieces, the Pin,dowel (137) is the most used part in the SHIFT CAM - FORK diagram.
twenty-five components are shown in this Xs650 1981 (b) Usa Shift Cam - Fork exploded diagram.