Parts such as the Left Handle Switch (gsx550esd/ese/efe): Lever,clutch, Bolt,clutch Lever Holder, Switch Assy,ha, Screw are included in the Gsx550es 1983 (d) (e01 02 04 06 15 16 17 18 21 22 24 25 26 34 39 Left Handle Switch (gsx550esd/ese/efe) parts fiche.
On this parts fiche the Screw is the most specified component.