Parts such as the Frame: Grommet 117217730000, Patch 3, Patch 1, Nut, Flange(4mv) are included in the Br250tw 1996 Frame parts fiche.
The Yamaha FRAME has thirty-three products enlisted in the schematic.
The most reasonably priced component used on the Br250tw 1996 Frame is the Bolt, Flange.