Some items from this specific schematic: E.ring, Holder,fr Footrest,r, Washer(12.5x30x2), Washer (8.5x30x2.3).
This schematic depicts all components used in the Gsx600f Katana 1997 (v) Usa (e03) Footrest partslist.
On this parts fiche the Washer(12.5x30x2) is the most specified component.