Parts such as the Fuel Tank: Clip B7,tube, Cap Comp,fuel Fil, Tube,3.5x200, Wire A,guard are included in the Xl600v Transalp 1997 (v) Italy Kph Fuel Tank parts fiche.
The Clip B7,tube is the lowest priced item on this Fuel Tank schematic.
Of all the components used in this assembly the Tank Set, Fuel (wl) is the most expensive.