Why is my new push mower smoking?
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In most cases, a lawn mower’s engine suddenly bellows out blue or white smoke because the some of the oil spilled onto it. Maybe you added or changed the oil and slopped some, or overfilled. Or maybe you turned the mower on its side or upside down for maintenance. Even mowing on a steep slope can be the source.
Why is my brand new mower blowing white smoke?
So why is your mower blowing white smoke? Overfilling the oil or an excess of oxygen within the engine usually causes this. White smoke can also be caused by incorrect oil grades, air leaks, worn cylinder/rings or a blown head gasket.

Why is my lawn mower blowing out smoke?
This is usually due to a spill or accidental overfilling of the crankcase. As soon as the trace oil that has reached the engine is burned off, the smoke should clear up and your mower will operate fine. New mowers will also emit white smoke when starting for the first time.
Why is my lawn mower blowing blue smoke?
A 2-stroke mower can produce white/blue smoke if there is too much oil mixed into the fuel. As the engine runs, the extra oil will get burned off with the gas. If you put fuel into a 4-stroke mower that has oil and gas mixed into it, your lawn mower will be billowing bluish or white smoke.

Why is my mower blowing black smoke?
A lawn mower blowing black smoke means that the engine is running rich and is usually caused by the choke set/stuck “on”, a blocked air filter, or a carburetor that isn’t working correctly.
Why does my lawn mower backfire?
Backfires occur when burning fuel enters the engine or the exhaust. If pockets of unspent fuel enter the engine before the valves close or escape to the exhaust system, a backfire occurs. Unspent fuel ignites when a spark occurs in close proximity to the fuel pocket.
What happens if you put too much oil in a mower?
Too much oil in your lawn mower may cause the engine to not run well and cause damaging results. Too much oil can cause your engine to overheat which can result in seal damage, blown gaskets or becoming hydrolocked.
How do you fix a lawn mower that burns oil?
If your lawnmower is burning oil because you have overfilled the crank case, you may need to repair the carburetor. You should certainly drain the oil and fill the crankcase with new oil, paying attention to the manufacturer’s recommendation for the proper amount and type needed.
What happens if you put too much oil in a lawn mower?
Why is my engine smoking?
Smoke often leaves car engines as a result of overheating. This can be caused by faulty wire casings, heated residues on the engine block and overheated liquids including oil, transmission fluid and brake fluid. There may also be a fault in your coolant system, or your engine may not have enough lubricant.
Why is my Toro lawn mower blowing white smoke?
Mower tipped over is the most common reason for white smoke. Usually, the customer turns over the mower to clean the deck or unclog the chute. This allows oil to enter the cylinder, and when the mower is restarted, the oil burns and turns your yard into a 70s disco. Sometimes oil will also leak from the muffler.
What do I do if my lawn mower is smoking?
Get a pan to collect the oil from the fuel tank.
What is wrong when a lawn mower is smoking?
Black Smoke? Clean the Air Filter. A lawn mower engine will puff out black smoke when the fuel and air mixture is too rich.
How to stop a lawn mower from smoking?
Black Smoke
Is it normal for a lawn mower to smoke?
Lawn mowers are not supposed to smoke continuously, but a small amount of smoke is not always a sign of a major problem. Smoking can occur when you overfill a gas or oil chamber. However, more severe issues such as a blown gasket, clogged air filters, or an incorrect fuel mixture can also cause a mower to smoke.