Question about Craftsman 20 hp 42 in. Deck Yard Tractor

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My lawn mower is spewing white smoke. - Craftsman 20 hp 42 in. Deck Yard Tractor

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I had one in the shop that someone got their gas and kerosene cans mixed up and put kerosene in their mower it still had a little gas in it so it started up but had alot of white smoke if its blue I would tell you ,you over filled oil ,.

Posted on May 09, 2009

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mowerman1857
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SOURCE: Craftsman lawn tractor, model 917.270711, smoking and stalling

That is a Briggs & Stratton engine and given its age, I would say it is time to overhaul or replace the carburetor. Over time the float needle and seat become worn and inoperable which is why you are getting fuel in your crankcase. If you are not familiar or comfortable with working on these things, this is a job better left to a professional. There are too many things that can (AND WILL) go wrong in trying to do it yourself. Just scan through some of the questions on here and see how many others have taken theirs apart and can't remember how to put it back correctly!

Posted on Oct 11, 2009

  • 32 Answers

SOURCE: lawnmower is spewing white smoke

your Tractor is probably burning oil bad. check the oil, there could be too much oil or too little.

Posted on Jun 12, 2009

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LAWN MOWER HARD STARTING WHITE SMOKE


White smoke would indicate a fuel problem. The engine is flooding.
There are a lot of possibilities but the first area I would check is the carburetor float level and inlet needle.

Dec 24, 2012 | Briggs & Stratton 190cc 875 Series OHV...

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Continues blowing out white smoke after I start the lawn mower


Hik marie carten...
Normally white smoke coming out of the exaust will me one of two things.
You have overfilled the crankcase with too much oil and it is making the smoke, in which case you can drain the excess oil out and that should elimanate the white smoke.
Or, you have a worn out engine and oil is getting by the rings of the piston and being burnt in the combustion chamber of the engine.Which means engine overhaul, or buy a new mower.
Free answer...Please take time to rate me.

May 14, 2011 | Poulan Pro 22inch 625 Series Briggs ...

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I changed the oil and white smoke poured out of the exhaust. Also there was oil spewing all over.


Depending on if you laid the engine over on its' side, there could have been oil in the muffler. It may take some time to "burn" this off. It will also come from the muffler. Given enough time the oil will get hot and smoke off of the muffler. Then it will no longer smoke.
I hope this answers your question.

Apr 03, 2011 | Garden

1 Answer

My mower started spewing oil and smoking last night. what could be wrong?


Hi,
That would be a broken compression ring that goes around the piston and keeps the oil in the crankcase...
That will mean a major engine overhall for you...

heatman101

Aug 19, 2010 | Toro Lawn Mower With Toro Power Tools

2 Answers

My Craftsman 15 HP Lawn tractor is spewing white smoke. When I removed the air filter, I noticed there was oil all over the inside of the air filter and at the bottom of the air filter. When I run the...


I could be caused by a couple things, the most common is overfilling with oil, running on too great of angle and flooding the valve stem area or really bad valve stem seals.

Jun 01, 2010 | Craftsman 20 Hp 42" Deck Lawn Tractor

1 Answer

White smoke and oil spewing out of troy built briggs and stratton 650 series 190cc mower


Check your oil level. If it is way over full, smell it to see if it smells like gasoline. If it does, you have a carburetor leaking gas into the engine crankcase. If you recently had the mower over on its side for blade changing or inspection, you have gotten oil up on top of the piston and it should burn off in a few minutes of running. Check your air filter to see if it is soaked with oil, replace it if it is.

Sep 19, 2009 | Briggs & Stratton Garden

1 Answer

White smoke


White smoke is most likely cause there is to much in the engine.. Only takes about half quart.. Clean with degreaser and garden hose on the outside..

Jul 04, 2009 | Garden

1 Answer

Billows of white smoke when Toro lawn mower runs


You overfilled the oil. If the mower runs, just go ahead and mow grass until it runs the oil out of the gas tank. Or you can empty the gas tank and fill with new gas. White smoke is not a serious problem. Only a hassle.

Jun 19, 2009 | Toro Lawn Mower With Toro Power Tools

2 Answers

Lawnmower is spewing white smoke


white smoke means that there is water in the fuel air mixture during combustion. a bluish white smoke means oil is being burned during combustion. take another look and make sure which one it is. since all mowers ive seen are air cooled the only way water can be getting in the fuel air mixture is through the gas cap. check your gas tank and gas can for water. may be best to empty both and start over with fresh fuel

Jun 09, 2009 | Craftsman 20 hp 42 in. Deck Yard Tractor

1 Answer

Constant white smoke while running


White smoke is oil burn off. First off, check the oil level (sounds dumb, I know) and make sure the oil is not overfilled. Overfilling would be the easiest solution. If there is oil burning onto the spark plug but the oil is not overfilled, I would think rings... possibly scarring in the cylinder. Something allowing the oil to seep past the piston into the head. If the cylinder is scarred, there are .020 oversized pistons and rings available for the engines, rebore the cylinder and place those in.

May 16, 2009 | Parks Optical 13.5hp Briggs And Stratton...

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