The Screw, Flat is the lowest priced item on this Fuel Tank schematic.
Parts such as the Fuel Tank: Screw 256241430000, Hose(439), O-ring, Grommet(4aa) are included in the Yz250f 2001 5nl2 France 115nl-100e3 Fuel Tank parts fiche.
On this parts fiche the Bolt, Small Flange is the most specified component.
