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You have too much oil in your gas, that's why oil and gas is coming out your exhaust.

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Q: Why is Lawn boy blowing gas and oil out the muffler?
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Related questions

Why is gas blowing out of the muffler on your cub cadet?

Normally this only happens on twin cylinder engines when one of the cylinders is not firing.


What causes oil to come out of your lawn mowers muffler?

The problem I had was oil and gas flowed out the muffler on my snapper 11 hp lawn tractor. To fix it I had to drain the oil and get a new plug. The issue that caused it was I needed a shut off valve in the gas line to stop the gas frome running back into the engine and eventually getting into the oil causing it to gush out the muffler with a lot of smoke. It is an easy fix and it now runs as smooth as new. I hope this helps you


Oil in muffler on lawn mower?

If it is a 2-stroke engine, the oil/gas mixture has too much oil. If it is a 4-stroke engine, the oil sump is overfull.


What is a gas lawn mower?

A gas lawn mower is a lawn mower which is powered by gasoline.


What makes gas come out the muffler?

a gas line over the muffler may have broke, or you car is older then 20 year old


Why does gas leak from a Yamaha razz muffler?

If gas is leaking from a Yamaha Razz muffler, then the float may not be set correctly. This means that it is not shutting the intake off.


What is wrong if gas leak from vent hole of gas cap on lawn mower even after caps have been replaced It is so bad that gas runs down over tank and to muffler area?

If the vent is on the top of the cap, it would indicate that something is causing back-pressure inside the tank. Get it serviced.


Is the muffler on a Honda CRX under the gas tank?

no


Oil coming from muffler on Briggs and stratton lawn mower engine - primed with gas - why does it fire then quit - brand new engine?

If it is a brand new engine take it back to where you bought it. Because if you do anything to you will void your warranty.


Types of exhaust gas measuring devices for automobiles?

2 examples are Gas analyzer-inserted in muffler Mass airflow machine-inserted in muffler Both measure gas emissions released from a vehicle.


What do lawn mowers run off of?

some gas/oil mix (usually lawn boy) some electricity, propane, solar panels, and others just gasoline w/ a separate oil tank.


Does a muffler give a car better gas mileage?

A free flow muffler can improve mileage but by not by much. It would take a long time to recoup the cost of a new muffler.