Lawn mower smoking after adding oil

After putting in about a quart and firing up the lawn mower , there was a huge amount of smoke coming out of the mower. This allows oil to enter the cylinder, and when the mower is restarte the oil burns and turns your yard into a 70s disco. Sometimes oil will also leak from the muffler. The fix is simple, check the mower for oil , and let the engine idle until the smoke clears.

You can usually correct this problem by cleaning the air filter. Blue or white smoke means the engine is burning oil. Most of the time, the lawn mower smoke will stop on its own. If the mower was never overfilled with oil , then the smoking might be due to the protective fuel system coatings applied to new engines at the factory.

In that case the smoking should stop after a little use, if not then it might indicate a more serious problem with a head gasket or vent assembly or the piston rings or valves in the engine. Black smoke may indicate that the mower is “running rich,” or burning too much gasoline. Your lawn mower’s carburetor regulates the ratio of gasoline to air mixture.

If the carburetor isn’t getting enough air, the mixture has a higher percentage of gasoline , which can create black exhaust smoke. Operating engine at greater than a degree angle. Inoperative crankcase breather. Draining is done most effectively when the plug on the bottom is removed and the mower is placed level again, over a catch basin and left to sit.

My mower was working fine until I added more oil. Then after five minutes of mowing with new oil it started to smoke. Synthetic is usually 5Wor similar. This is much thinner than SAE3 and if the engine is more than very slightly worn, it will smoke due to oil leaking past the valve guides.

Replace the Mobil-with standard SAEmineral oil. Other engines if they quit due to low oil. It has been run for about 1. If your mower is still emitting black smoke after this step, the next step is to adjust the carburetor to produce a leaner fuel-to-air mixture.

It smokes a lot right after being started but after seconds or so the smoke clears. Gross Torque 190cc Briggs and Stratton engine. This was a downsizing sell from a home to a townhome with a home owners association.

The trade off here is the potential for higher oil consumption. SAE 5W-is a great all-around alternative to conventional oil. However, the oil needs to be changed at least once a season, and the beginning of the season is the best time to do so. As the oil ages and sits in the tank over winter,.

It will continue to smoke for about minutes and then clear up. Started on the 3rd pull (with the same gas, oil , and plug that were in it when we left it to sit in the elements). I went to mow the back yard last week, it started fine, but as soon as I engaged the mower deck, or put a load on it, heavy white smoke started coming out of it.

As soon as I disengage the mower blades, the white smoke quits. I have it serviced every year.