Parts such as the Water Pump: Gasket,water Pump, Brg Ball Radial 6, Bolt,flange,6x32, O-ring,22x2 are included in the Xr650r 2005 (5) European Direct Sales Water Pump parts fiche.
The Water Pump assembly is constructed from several parts from which the Pump Assy,water is the most expensive.
The lowest price component in this Water Pump parts-list fiche is the Bolt,flange,nshf,.