The most reasonably priced component used on the Cbr600f Hurricane 1988 (j) France / Kph Yb Handle Pipe/top Bridge is the Washer,plain.7mm.
Some items from this specific schematic: Snapring,hndl.wt., Key Set, Clamp,switch Cord, Switch Assy.,comb.
With a quantity of three pieces, the Screw,tapping,3x1 is the most used part in the HANDLE PIPE/TOP BRIDGE diagram.