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