Some items from this specific schematic: Nut, Panel Gs500f, Tape,windscreen, Tape Set, Side.
The most reasonably priced component used on the Gs500f 2008 (k8) Usa (e03) Cowling Body (gs500fk7) is the Screw(5x18).
On this parts fiche the Screw(5x18) is the most specified component.