A sample from the products for the Fuel Tank include: Clamp, Label, Caution, Washer, Plate(3gm) (mca), Roll Over Valve As.
The twenty-two Xc125f 2001 5mj3 Spain 115mj-300s1 Fuel Tank component parts are all listed in this schematic.
On this parts fiche the Clip (806-24356-00) is the most specified component.