Try loosening the gas cap when it starts shutting down. (IF the cap vent is plugged it will create a vacuum in the tank). How did you clean the carburetor out? You will need to use a carburetor cleaner spray, make sure you thoroughly clean any small passage ways. Make sure the little screen on the bottom of the pickup tube is clear. And I wouldn't take a chance with an old diaphragm and gasket...those frequently go bad and they're inexpensive, go ahead and replace that too. If it still makes trouble you'll probably just want to put a new carb on it. They're usually between $25 & $30.
Briggs and stratton lawn mower engine problem
Hi,
I have a lawn mower with B&S engine, one with the metal gas tank/plastic carb with primer, one like this:
YouTube - How To Replace The Diaphragm On Briggs And Stratton Primer Plastic Carburators On Metal Gas Tanks
The problem with the engine is that it shuts down all the time. When i first start it i can ride for a few minutes and then it shuts down. The thing that happens is that the primer gets pushed in when the engine is running (something creating a vacuum?). Then i have to wait a minute or so until the primer gets out again and then i can start it again. This keeps repeating itself, but the time i can mow the lawn gets shorter everytime.
I have already cleaned the carb etc and the diaphragm is still ok.
Somebody knows what this problem is?
Regards,
Senne
I have a lawn mower with B&S engine, one with the metal gas tank/plastic carb with primer, one like this:
YouTube - How To Replace The Diaphragm On Briggs And Stratton Primer Plastic Carburators On Metal Gas Tanks
The problem with the engine is that it shuts down all the time. When i first start it i can ride for a few minutes and then it shuts down. The thing that happens is that the primer gets pushed in when the engine is running (something creating a vacuum?). Then i have to wait a minute or so until the primer gets out again and then i can start it again. This keeps repeating itself, but the time i can mow the lawn gets shorter everytime.
I have already cleaned the carb etc and the diaphragm is still ok.
Somebody knows what this problem is?
Regards,
Senne
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