Gas Blows Through The Breather Assembly After Warm Up, Help Please

[steve25537]

I have a Yard Machine with a 13HP motor not sure what model or year, it runs great but after it runs like a few minutes if starts blowing/passing gas out of the tube that comes from the Breather Assembly.

What could be the problem? Help Please

Thank You So Much In Advance.
Steve

Heres a pic of the part the gas is coming from, not sure what link will work, so heres a few.

Thanks Again So Much.

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[Lawnranger]

Welcome to the forum. Is the engine overfilled with oil? One possibility is that the needle valve is not closing all the way in the carburetor and allowing gasoline to fill the crankcase. If your engine oil is overfull and smells like gasoline, do not operate the engine. Start by rebuilding the carburetor. If you don't know how to rebuild carburetors, go to youtube and search lawnmower carburetor rebuild or similar phrases until you find what you are looking for. Make sure to drain the oil/gasoline mix out of the crankcase and fill with fresh oil of the correct spec. if that is your problem. The above advice is just speculation at this point since I cannot see the engine for myself so you will have to be the eyes and hands for us. It could also be a defective breather so start by checking the oil level and condition/odor and report back with what you find.