Parts such as the Air Suction Valve (ar/aw): Bolt,stud,6x18, Pipe Comp,l Air, Valve Assy,air Su, Pipe Comp,r Air are included in the Cbr600f Hurricane 1993 (p) Switzerland / Kph Air Suction Valve (ar/aw) parts fiche.
The Screw,cross,5x18 is the cheapest item from this partsfiche.
In this schematic the "Clip B,fuel Hose" is used most often.