The O-ring 7x1.7 is the most widely applied product in the CB250RS 1980 (A) SOUTH AFRICA OIL PUMP ( two times ).
The component with the lowest price in the OIL PUMP schematic is the Screw,cross,5x12.
This schematic depicts all components used in the Cb250rs 1980 (a) South Africa Oil Pump partslist.