The most reasonably priced component used on the Cb900f 2003 (3) Australia Fuel Tank is the Washer,plain,10mm.
With a quantity of six pieces, the Nut,flange,6mm is the most used part in the FUEL TANK diagram.
A sample from the products for the Fuel Tank include: Cush,fuel Tank Rr, Tube,8x510, Unit Assy,f/pump, Clamp D12,tube.