The Screw,tap 4x25 is the lowest priced item on this Taillight schematic.
Parts such as the Taillight: Seal,packing, Lens Comp.,tailli, Taillight Unit (1, Bulb,taillight are included in the Xl600v Transalp 1996 (t) Switzerland / Kph Taillight parts fiche.
The nine Xl600v Transalp 1996 (t) Switzerland / Kph Taillight component parts are all listed in this schematic.