Some items from this specific schematic: Pipe Rr Grip, Cover A,rr.grip, Bolt Flange 8x16, Seat Comp.,double.
eleven components are shown in this Cbr600f Hurricane 1989 (k) Norway / Kph Seat/seat Cowl exploded diagram.
The lowest price component in this Seat/seat Cowl parts-list fiche is the Screw,tapping,4x1.