Parts such as the Oil Pump (1) (xr250re): Dowel,pin,4x6.5, Screw,cross 6x16, Rotor,o/pum.outer, Cov.oil Pump Gear are included in the Xr250r 1984 (e) Australia Oil Pump (1) (xr250re) parts fiche.
Of all the components used in this assembly the Pump Assy.,oil is the most expensive.
The Screw,cross,5x16 is the lowest priced item on this Oil Pump (1) (xr250re) schematic.