Question about Craftsman 675 Torque 190cc 21" RearBag Push Lawn Mower ()

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My push mower starts but then dies after a few seconds. please help.

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  • 7,482 Answers

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

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  • 2 Answers

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Posted on Jan 02, 2017

  • 77 Answers

SOURCE: push mower runs for 3 seconds and dies brand new mower used it 2x

If the carb mounts directly on top of the tank chances are the diaphram gasket between the carb ant tank has swelled and needs replaced

Posted on Aug 09, 2009

  • 110 Answers

SOURCE: lawn mower keeps dying

Remove gas cap. If mower now runs without stalling, your problem is the vent in the gas cap is blocked. Replace the cap. Common problem!

Posted on Sep 22, 2009

hunter19_46m
  • 7482 Answers

SOURCE: My lawn push mower will

Check to make sure you are getting fire/spark at the plug, if so then do the following:
Check/Clean/Replace your fuel filter if you have one, normally they will be located in the fuel tank.
If the mower/weedeater is over a year old, then I 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.
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.
When you clean your carburetor and remove the jet screws, you will first need to lightly seat the jet screws.
But before you lightly 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 lightly 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 Apr 16, 2011

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Searcheck you tube on how to clean a 4 cycle carburetor..many videos....

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After about 15 to 30 minutes, engine starts pinging (for a few seconds) then dies


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I have a 6.5 craftsman push mower. It will start up on the first pull but dies a few seconds later. What could be the problem?


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heatman101

Aug 04, 2010 | Craftsman Garden

1 Answer

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.

Jul 05, 2010 | Poulan "Poulan" Push Mower

1 Answer

My MTD 3.5 B&G 22" push lawnmower won't start up.


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 do not forget to rate me, Thanks
Good Luck, I hope this help

May 20, 2010 | Mtd 22" Yard Machine Push Mower

1 Answer

The mower is 3 months old worked fine untill yesterday


the problem is either u have trash in the bowl of the carb or the float in the carb is stuck. either way u need to have someone look at it.

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2 Answers

Engine starts dies down immediately.fuel is ok spark plug ok


Most likely the carburetor is not ok. An engine does not just DIE. If you press the prime bulb, does fuel squirt in carb. If it starts the runs for about 3-5 seconds then dies, there is most likely a float or needle shut off problem. Or it could be as simple as a clogged carburetor. It only takes one tiny peice to clog one. Take the carb off and make sure all jets( small holes in carb) are clean. Mike. Rate 100% please.

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My Poulan runs for a few minutes then idles down shuts off. Get it running again does same thing


Check the governor spring to see if it is streched out or the bracket it attaches to is bent,this can cause the problem. Also the carb may need cleaned and rebuilt,if it contains a diaphram gasket it could be bad causing it to die.

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