Some items from this specific schematic: Pin,dowel, Cover,oil Filter,f.bl, Pin Dowel, Washer,20.5x30x1.
The most reasonably priced component used on the Zx750a2 1984 Europe Uk Fr Gr It Nr Sd Oil Pump is the Pin Dowel.
This OIL PUMP assembly utilises three Screw-pan Head,6x22(s) - the highest specified component.