Parts such as the Winker: Socket Comp,l Fr, Base Comp.,r.rr.w, Winker Assy,fr L, Winker Sub Assy R are included in the Cbr600f Hurricane 1990 (l) England / Mkh Winker parts fiche.
This WINKER assembly utilises four Bulb 12v21w(s) - the highest specified component.
The component with the lowest price in the WINKER schematic is the Screw-wash,5x12.