The Bolt,flange,6x28 is the cheapest item from this partsfiche.
Parts such as the Starting Motor: Motor Assy.,start, O-ring,24.4x3.1, Bolt,flange,6x28, Nut-washer 6mm are included in the Cbr600f Hurricane 1994 (r) England / Kph Starting Motor parts fiche.
In this schematic the "Bolt,setting" is used most often.