Parts such as the Fuel Tank: Clip (8j7), Spring, Torsiow (8f3), Spring, Torsion(81e), Pin, Spring are included in the Br250p Bravo 1990 Fuel Tank parts fiche.
The most reasonably priced component used on the Br250p Bravo 1990 Fuel Tank is the Bolt, Flange (1e2).
This Tank, Fuel is the most expensive of the items that make up this Fuel Tank assembly.