Lots and lots of smoke!

Old 07-24-15, 06:20 PM
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Exclamation Lots and lots of smoke!

I have a 185 John Deere riding lawn mower, fairly old. It recently started to gush out smoke. Its mostly white, with a tint of blue and it leaves a sort of oily residue behind. Thinking it was to much oil as I had just put some in, I drained it of all the oil and added a quart. Figuring maybe not full, but at least enough to keep it going. It looked good for about 5 minutes, as soon as I turned on the blades though it sputtered and started with the smoke again. I'm at a loss as to what to do.
Old 07-24-15, 06:50 PM
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Before changing the oil did you check the oil level in the engine? Was it high or low? When you changed the oil did is smell like oil or did it have a gasoline smell?
Old 07-24-15, 07:28 PM
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White smoke with a blue tint means that it's burning oil. It could be valve seals, valve guides or oil rings on the piston.
Old 07-24-15, 10:09 PM
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Or blown head gasket, gas in the oil, clogged breather, etc...

Does this have the 17 hp kawasaki on it still? If so, am I correct in my understanding that it didn't do this until recently? Have you been running it without an air filter by chance? Is there a gas smell to the oil? Could it be overfull of oil?

If no to the above questions, I'd look in the breather hose to see if oil is pumping into the carburetor while it's smoking. If so, I'd suspect a head gasket or ring problem.

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