Parts such as the Carburetors/accelerator Pump (us: Tube,, Ball,steel,5/32, Tube,3.5x7.5x47.5, Sensor Diaphragm Spring are included in the Kz650d2 Sr 1979 Usa Canada Carburetors/accelerator Pump (us parts fiche.
The most reasonably priced component used on the Kz650d2 Sr 1979 Usa Canada Carburetors/accelerator Pump (us is the Cotter Pin,1.0x6.
On this parts fiche the Screw Pan-ws-cros is the most specified component.