The Screw is the lowest priced item on this Signal Generator schematic.
With three applications this Screw is the most specified part.
Parts such as the Signal Generator: Washer, Lower, Clamp(l:95), Bolt, Rotor Comp,signal are included in the Gsxr750x 1987 (h) (e01 E02 4 6 15 16 17 18 21 22 24 25 34 39 53) Signal Generator parts fiche.