The lowest price component in this Winker parts-list fiche is the Screw,cross 5x10.
The Bulb 12v21w is the most widely applied product in the XL600V TRANSALP 1988 (J) FRANCE / YB WINKER ( four times ).
twenty-two components are listed in the schematic for this Xl600v Transalp 1988 (j) France / Yb Winker .