Parts such as the Crankcase: Bolt, Flange (7t2), Joint, Breather, Clamp (8r4), Bolt, Flange (4g0) are included in the Br250t Bravo 1993 Crankcase parts fiche.
The most reasonably priced component used on the Br250t Bravo 1993 Crankcase is the Joint, Breather.
The Crankcase is made up of components including this Crankcase Assy which is the most expensive.