my lawnmower with a briggs & strtton engine runs well to begin with, after a few minutes it starts to labour,the priming bulb has been sucked flat can you help
Most probable cause is muck blocking the suction pipe on the underside of the carb. You wil need to remove the tank/carb assy from the side of the engine and them split the carb from the tank. Replace the rubber diaphragm and gasket between the carb and tank when you re-assemble. Common problem.
pleasant
August 2008
Take off the fuel filler cap and retry.cap has a vent to allow air into tank.ur's sound's blocked.u may even hear a woosh of air entering the tank when u do this.
caine
August 2008
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