Parts such as the Front Master Cylinder (gs750b): Reservoir,master Cylinder, Washer, Bolt, O Ring are included in the Gs750b 1978 (c) Usa (e03) Front Master Cylinder (gs750b) parts fiche.
In this schematic the "Bolt" is used most often.
Of all the components that make up this Front Master Cylinder (gs750b) the Screw,master Cylinder has the lowest price.