The most expensive part in this assembly is the Gasket Kit B (nas).
The component with the lowest price in the GASKET KIT B schematic is the Washer,plug,drain 12.
Parts such as the Gasket Kit B: Seat.oil.pump, Gskt,l.ck/case. (mca), Gasket,rubber, O-ring,27x2 are included in the Xr250r 1984 (e) Usa Gasket Kit B parts fiche.