In this schematic the "Screw, Front & Rear" is used most often.
Parts such as the Air Cleaner (model L/m/n/p/r/s/t): Screw, Tube,breather, Tube,outlet Mr, Tube,outlet,r are included in the Gsx600f Katana 1991 (m) Usa (e03) Air Cleaner (model L/m/n/p/r/s/t) parts fiche.
The Air Cleaner (model L/m/n/p/r/s/t) is made up of components including this Cleaner Assembly,air which is the most expensive.