Question about Mtd 22" Yard Machine Push Mower

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Mower only starts when keeping pumping gas from compressor

I have a yardman self propelled 6.5 lawnmower. It's not starting with the automatic starter, just the pull. It will star†, but won't keep going unless you pump the gas from the side . It sound like gas isn't going thru the fuel line so i got some ''Seafoam'' fuel injector cleaner and it's still only starts up and if you keep pressing the pump, it keeps it up for a little bit. Any suggestions? Thanks, Erin

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  • Erin Wenzig
    Erin Wenzig Apr 18, 2009

    there was one small hole and we fixed it.  Got rid of the old gas and now it works.  Thanks for the help.

  • logandiez May 11, 2010

    Have you checked for holes in your fuel line? Sucking air will cause it to not get enough fuel.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 109 Answers

SOURCE: Can't keep mower running without consistently pushing the primer.

It sounds like there is water in the gas. The only way to remedy this is to take the carb off of the gas tank and replace the diaphragm, there is a small reservoir between the tank and carb...clean with WD-40 to remove water

Posted on Apr 21, 2009

  • 40 Answers

SOURCE: Little spark

check the gap on your plug. .030 is what it should be. also make sure that your
kill cable is working properly and not grounding the engine out.
the gap for you magneto should be set to .010 to .012
loosen up the magneto insert a standard business card or 3x5 card
then turn the flywheel so that the magnet on the flywheel pulls the magneto into it. then tight the magneto mounting screws down. try spark now. always use fresh gas. -no-water- if in doubt throw it out.
gas is BAD after only 30 days.

Posted on Apr 27, 2009

  • 7 Answers

SOURCE: yardman push mower self propell not working

check to see if it is belt or gear driven

Posted on May 02, 2009

  • 30 Answers

SOURCE: won;t start

Hi, it is possible that even if you changed gas, assuming water was in the tank as your original problem, that some stayed in the bottom. If you pump the primer while it fires up and it helps to keep it running, you still have some water.

Posted on Sep 09, 2009

hunter19_46m
  • 7482 Answers

SOURCE: Well my yardman has fuel to the carb and will

Sounds like you will need to clean the carburetor or replace your carburetor internal rubber parts like the diaphgram and O rings.
Be sure to use compressed air to blow out all the fuel and air passages.
Be careful when blowing out the passages, because there are sometimes small rubber type seats in the bottom of some of the passages.
Sometimes you can get by with priming the carburetor or using starting fluid and letting it run a few times like that and it will flush the gunk out of the jets,but most of the time you will need to rebuild the carburetor.
Keep in mind that the float for the carburetor must be level when you go to reassemble the carburetor or follow the instrucitons you get with the carburetor kit.
If the mower/weedeater is over a year old, then I also recommend that you buy and install a new carburetor repair kit,because the diaphragm will get hard and that will cause it to be hard to crank.
When you clean your carburetor and remove the jet screws, you will first need to seat the jet screws.
But before you seat the jet screws count the number of turns it takes to seat the jet screws from their original position.
Be sure to mark the turns down on a piece of paper.
That way when you put the jets back in, you know to seat them first and then turn them back out to their orginal position before you started.
This is a FREE answer,Please rate me

Posted on Sep 26, 2010

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