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Oil is coming out the two holes that fit to the air filter, what's wrong?

I purchased this mower late last summer. Only used it for a few times and put it up for the winter. Mowed a bit two days ago and all was fine. Got it out today to mow and did. When I finished, which wasn't much and this is what has happened. What is wrong?

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  • 484 Answers

That's probably caused by excess crankcase pressure. The rings on the piston could be slightly stuck in the piston grooves allowing a bit of 'blowby' into the crankcase. Try a bit of 'Seafoam' mixed in the gas as an upper end lubricant and with a little use the rings should loosen and begin doing their job of keeping the compression on TOP of the piston and not bypassing into the crankcase.

Seafoam is a general system lube that can be used in fuel, oil, transmissions etc. Marvel Mystery Oil would be a good choice to loosen things up a bit too.

Posted on Apr 01, 2015

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Posted on Jan 02, 2017

MNfisherman
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SOURCE: lawn mower won't start

Carb is most likely gummed up and will need cleaning. Anytime a gas motor is store through a season, you should use a product called "stabil" in the gas to prevent gumming up. Also check that there is a strong spark coming from coil. To do this, remove spark plug, hook it up to the coil and set it on motor block and pull it over. You should see a strong spark. If you don't see the spark, then either the coil is faulty or the magnet from coil to flywheel is not getting good contact.

Posted on Jul 03, 2009

  • 1 Answer

SOURCE: Mower won't start - has oil/gas & just used last week

take the air filter off and rub it on your balls

Posted on Apr 17, 2010

  • 72 Answers

SOURCE: my 2 year old craftsman

Check for a spark to start off with. I just had to replace the coil in mine.

Posted on May 17, 2011

  • 14 Answers

SOURCE: My JCB 5.5hp mower starts then chugs and stalls after about 10 seconds. I do try to adjust the choke but to no avail. Can anybody advise please

The carburetor might be dirty. I would clean the carburetor and replace diaphragm if your carb has one. Sounds like the engine is not getting enough gas to stay running. Hope this helps!

Posted on Jun 14, 2012

Healeyman
  • 1198 Answers

SOURCE: Oil coming out of air filter

Look for a crankcase ventilation tube or such, It may be covered with grass dust and stuff, is probably a sponge to keep dust out of the motor. Rinse it out, and make sure the airway is clear.

Posted on Nov 25, 2013

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1 Answer

Oil is coming out of the two holes that connect to the air filter. What is wrong?


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