3.5 hp B&S leaks gas from carburetor when priming


Old 06-06-17, 09:33 AM
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Join Date: May 2007
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3.5 hp B&S leaks gas from carburetor when priming

Re: push mower with a B&S 3.5 hp engine, Model: 95902, Type: 3107 01, Code: 96050451

When priming, gas leaks from the carburetor below breather connection. There are two small holes there, obviously by design, both plugged with what look like a tiny stainless balls. The one just below the breather leaks when pushing the primer bulb. When one plugs the hole with a finger, the carburetor can be primed just fine and the engine starts without any problems.

What are those holes for and how to fix the leaking one?
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Old 06-06-17, 01:01 PM
cheese's Avatar
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Join Date: Jul 2001
Location: USA
Posts: 16,815
Sounds like you just need a new carb. They are cheap.

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