Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Model number? Does it do anything? Is engine spinning? Just not starting? Is battery voltage above 12.5 volts?
Single cylinder Briggs? Do you have spark when cranking?Test by taking a spare spark plug, and attaching it to the spark plug wire, ground the spark plug to metal of the engine and crank and watch for spark at the plug. Is the fuel filter show to have fuel in it? Does you have fuel flowing if you remove the fuel line at the carburetor and crank?
Fuel tank has suction tube in the tp of it, it and the fule line to the fuel pump has to be vacuum tight for the fuel pump to work. See link below. # ***** is suction tube.
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