"The Briggs & Stratton 594287 Carburetor is an important part of small engines in lawnmowers, snow blowers and generators. As to ensure that it burn the right amount of fuel efficiently, it controls the proportion of air fuel mixture. This carburetor has a diaphragmatic type and that is it has got a diaphragm which controls the flow of fuel. This design provides right fuel injection a... https://www.wholetoolbox.com/briggs-stratton-594287-carburetor