Lawn Mower Smoking After Oil Change. If you use the wrong type of oil, then the lawn mower will smoke afterward. The crankcase of the mower may have insufficient oil level, and thus you see smoke. The oil had been spilled in the engine, and as the engine got hot, it evaporated the oil in smoke.
I recently changed my mower’s oil after some time. The mower started to smoke after I started it post to the oil change. I thought the mower would blow up. I stopped the mower and turned it off.
I called a technician, and the mower problems were brought t to light. The smoke from the mower was related to the oil change and was easily understandable.
Read to learn!.
Lawn Mower Smoking After Oil Change
Smoke coming from the mower isn’t a sight you want. The smoke may be a big problem. Well, in a mower, smoking is usually caused because of the oil. If you have recently changed the mower’s oil, there’s a chance you’ll see blue and white smoke.
These smokes are related to the burning of oil. You may have inserted too much oil in the crankcase. And as the oil is turned, it’s making smoke.
The oil may be sufficient, but the wrong grade of oil, even in inferior quality, will affect the engine, and as the oil is burned, you’ll see smoke. The engine’s temperature may be above a certain level, and it’s burning the oil faster.
You may have overused the mower. Accidentally spilling the oil while refilling the engine will cause smoke because the engine will become hot and burn the oil.
Overloaded crankcase
Crankcase can hold old, but crankcase also has a limit. If you just refilled the oil and added too much oil to it, then the crankcase will overflow. The overflow in the crankcase cause excessive pressure to build because the oil has a lot of amounts but can’t go anywhere so fast.
And as the crankcase sends the oil to the engine, the overflow oil follows up and builds pressure. Oil uses a valve train to enter the cylinder, as the overflow isn’t controllable.
The bluish-white smoke color comes out of the cylinder. The smoke harms the mower by plugging the air filter, and the air filter affects the smoke. Remove the extra oil and clean the engine to get rid of the smoking problem.
Though before getting the oil out of the storage, check its level. You don’t need to take all the oil out. Use the drain plug to take the excess amount out. Removing oil from the filter is easy too. Just remove the extra oil.
Different grade
Oils are all different in grades. The oil grades affect the working, and the wrong grade of oil isn’t consumed. Only the right oil can adequately lubricate the system. Using the wrong oil type isn’t matched with viscosity, and the wrong oil gets burned.
You can check the oil’s grade and suitable grade for the mower on them. The oil recommended by the manufacturer is air-cooled engine oil.
Zinc oil will cool the engine if it’s getting hot, and as the oil isn’t burned, the smoke from the oil won’t come out. The engines can be cooled manually. If you are using the wrong grade of oil, like in the overflow section, take the oil out. In this case, take all the oil out.
Using SAEO3 is recommended by most manufacturers, so put it after all the oil has been taken out. Clean the oil section before putting it new.
Leaked oil
While adding oil to the mower, some oil can leak from the bottle and get spilled on the engine. The oil on the engine isn’t evident, but it’s there. The dripped oil sometimes gets on the muffler and the engine.
As the engine is turned on, the engine starts to become hot. The muffler heats up too. This heat acts on the spilled oil present on the muffler and the engine.
The engine makes the oil hot, too, and so does the muffler. The oil, when hot, starts to burn, and the burning oil on the mower starts to make smoke and clouds of smoke.
The smoke coming from spilled oil isn’t very harmful, but it should be removed. Turn the machine off and let it cool. Use a cloth to clean the engine from oil and restart, and the smoke will disappear.
The last word
The mower is giving smoke after an oil change isn’t significant. The fixes to the mower’s smiling problem are above. You can change the oil’s grade and know if the oil type was the problem.
Overflow and a meager amount of oil in the mower should be dealt with. Read more above.
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