13. FUEL SYSTEM/CARBURETOR/
     FUEL PUMP/ FUEL TANK                                                          DINK 50/125

 FUEL PUMP CONSTRUCTION

 The fuel pump adopted for this model is a vacuum-type fuel pump which utilizes the positive and
 negative pulsating pressures produced by the engine crankcase to control the oil pump diaphragms
 and deliver fuel from the fuel tank to the carburetor through the suction valve and outlet valve.


 FUEL PUMP CONSTRUCTION(DINK 125)

       Lower Cover


                                                                   Outlet
          Big Spring
                                                                                   Vacuum Duct



                 Spring

          Body

Washer Comp Valve
            Spring


                                                                     Inlet
   Upper Cover


 FUEL PUMP CONSTRUCTION(DINK 50)
         Vacuum Tube               Outlet




       Inlet              Screws




13-5