The component with the lowest price in the WATER PUMP schematic is the Bolt,flange,6x70.
Of all the components used in this assembly the Gear Comp,water P is the most expensive.
Parts such as the Water Pump: Wash,sealing,7mm, Seal,water Pump, Bolt,flange,6x70, Oil Seal,12x22x5 are included in the Crf250r 2009 (9) Australia / Bla Water Pump parts fiche.