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Trying to crank mower, prime carb it runs long enough to burn that gas and dies? What should I do?

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Your float is probably stuck. Look for the carbeurator that looks similar to this. Tap on the bowl on the bottom with the handle of a screwdriver and see if it runs...
trying to crank mower, prime carb it runs long eno - 4a01f893-9e03-49f6-a0f5-97a55466a5db.jpg

Posted on Apr 21, 2014

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Posted on Jan 02, 2017

  • 376 Answers

SOURCE: My lawn mower tries to start but then dies shortly thereafter.

Probably. Does it start after you push the primer and then die? If so, yes, it's the carb. For any more info, I'd have to have the model and type #'s off the engine. Dwain

Posted on May 17, 2009

steve_lima
  • 181 Answers

SOURCE: I have a Brigs&Straton 6.5 Quantum lawnmower will not stay running. I can keep it running by restricting the amount of air entering the carb with my finger (choking it) The mower will start if it

the problem is in your carb.,at the bottem of the carb. there is a bolt that threads in to the carb.pinch off the fuel line so that no fuel comes out after the fuel bowl is off the mower.now look into the bolt that you took off.there should be a hole oppisit the head of the bolt.there are also two holes that go through the sides.these holes are the fuel intake to the carb,the hole in the center is the fuel nozzle.most likely you have dirt blocking this hole and not letting the motor get enough fuel to run.thake some carb cleaner and spray it in the hole.take an air hose then blow the nozzle out.while you have the screw out take the bowl off and check to see if there is any water or dirt in the bowl.after cleaning.reinstall the bowl and start mower again.should be running ok now.if not let me know and i'll guide you through another fix.let me know if this helped or not................

Posted on Jun 02, 2009

hunter19_46m
  • 7482 Answers

SOURCE: 4.5 hp Briggs& Stratton push mower will not run

You need to rebuild your carb. The diaphram in the carb has gotten hard and is no longer acting as a fuel pump to pump the fuel to the carb. Get a rebuild kit and a compressor (for compressed air) to blow out the jet passages. It is an medium to easy job, just watch the small parts. ----------------------------------------------------------------------------- Hint: Before you remove your fuel/air jets, bottom them out first and count the number of turns it takes to bottom them out and mark it down for each fuel/air jet. When you go to reinstall the fuel/air jets bottom them out and then back them back out to the number of turns before removal. That way the fuel/air jets are set to the right number of turns when it was running right. Good Luck, I hope this helped Please rate me...Thanks

Posted on Jan 04, 2010

hunter19_46m
  • 7482 Answers

SOURCE: I can crank my murray gas lawn mower 6.5 quantum

Sounds like you will need to clean your carburetor.
Sometimes you can get by with priming it a few times, 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.
If the mower is over a couple years 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, count the
number of turns it takes to seat the jets from their original position.
That way when you go to put the jets back in, you know how many turns
they were in/out.
Please rate me, Thanks
Good Luck, I hope this helped

Posted on May 15, 2010

SOURCE: lawn mower will start when primed but will only run for few secon

It starts because of excess fuel from priming. It usually then gets it fuel from main jet in carb.

You need to find the main jet and run a fine piece of sturdy wire through it. That will restore fuel flow so your mower can continue running after the priming fuel is gone.

This is a good thing to learn. Main jets tend to clog a lot on mowers these days.

Posted on Jul 06, 2010

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