What causes gas to come out of the carburetor intack on a 16.5 Briggs and straton when trying to start the engine?

Gas coming out of the carburetor intake on a 16.5 Briggs and Stratton engine typically indicates flooding, which can be caused by a stuck float, a malfunctioning needle valve, or excessive fuel pressure. This can prevent the proper sealing of the fuel supply, leading to an overflow. Additionally, a clogged air filter or intake may disrupt the air-fuel mixture, exacerbating the flooding issue. Checking these components can help identify and resolve the problem.