Of all the components used in this assembly the Crankcase Comp R is the most expensive.
Parts such as the Crankcase: Tube,brthr A, Stud A, Cylinder, Gasket Crank Case (nas), Clamper,over Flow are included in the Crf70f 2004 (4) European Direct Sales Crankcase parts fiche.
The component with the lowest price in the CRANKCASE schematic is the Clip B10,tube.