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Newer Murray Pushmower


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#1 bbuckler OFFLINE  

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Posted June 17, 2015 - 03:14 PM

My mom bought a newer murray pushmower with the new plastic carb. It won't start now has no spark I cleaned the coil , the flywheel and checked the key and still nothing but the magnet on the flywheel is so weak that a screwdriver won't stick to it.


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#2 hamman ONLINE  

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Posted June 17, 2015 - 04:36 PM

make sure that when you squeeze the handle to start it depresses all the way and pulls the contacts together on the throttle control on the or around the carb. Then take a spark checker to see if you have spark for sure. I had a newer bolens walk behind that was thrown out by the dealer because it wouldn't start. I put my inline spark tester (from NAPA for $4.95) on it and there was no spark. I pulled hard on the cable at the carb and tried again and it sparked. Put the pug cable back on and it started up. Not sure if yours is this problem but you might take a look at it. Good luck.                                                                        Roger.


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#3 bbuckler OFFLINE  

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Posted June 17, 2015 - 04:47 PM

Already did all that I work on a lot of pushmowers and never seen one with a weak magnet.


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#4 Bolens 1000 ONLINE  

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Posted June 17, 2015 - 05:26 PM

make sure that when you squeeze the handle to start it depresses all the way and pulls the contacts together on the throttle control on the or around the carb. Then take a spark checker to see if you have spark for sure. I had a newer bolens walk behind that was thrown out by the dealer because it wouldn't start. I put my inline spark tester (from NAPA for $4.95) on it and there was no spark. I pulled hard on the cable at the carb and tried again and it sparked. Put the pug cable back on and it started up. Not sure if yours is this problem but you might take a look at it. Good luck.                                                                        Roger.

 

:ditto:

 

Put a spark tester on and see if your getting spark

Many times the cables stretch and will no longer pull far enough to allow the safety switch to be off


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#5 bbuckler OFFLINE  

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Posted June 17, 2015 - 05:30 PM

:ditto:

 

Put a spark tester on and see if your getting spark

Many times the cables stretch and will no longer pull far enough to allow the safety switch to be off

Already did


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#6 bbuckler OFFLINE  

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Posted June 17, 2015 - 07:33 PM

Got it running it had water in the gas cause my dad left it in the rain. It still runs a little rough I'm going to try marvel mystery oil in the gas.


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#7 JD DANNELS OFFLINE  

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Posted June 17, 2015 - 08:20 PM

:ditto:
 
Put a spark tester on and see if your getting spark
Many times the cables stretch and will no longer pull far enough to allow the safety switch to be off

Yep I have replaced the cable twice on my push mower.
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#8 holdenboy1960 OFFLINE  

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Posted June 23, 2015 - 07:47 AM

if you have no magnetism in the flywheel you should replace it as it wont create enough spark to start other wise check the gap between the flywheel & spark unit  



#9 bbuckler OFFLINE  

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Posted June 23, 2015 - 10:47 AM

Gap is right this flywheel has magnet on two side of the flywheel one is ok but the other side a screwdriver won't stick to it. I got it running but it's a little rough but at least it cuts
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#10 holdenboy1960 OFFLINE  

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Posted June 24, 2015 - 07:42 AM

the non magnetic 1 may be only a balance weight not a magnet 

 

 some of the later model 2 stroke mowers had 2 steel blocks in them 1 was magnet the other is a balance weight 

 

Shane


Edited by holdenboy1960, June 24, 2015 - 07:45 AM.

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#11 bbuckler OFFLINE  

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Posted June 24, 2015 - 03:22 PM

The problem is the carb. I can't think of any safe way to clean it. 

this is the carb it has 

http://www.amazon.co...Y1ANE9S6TR4YV51
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#12 Bolens 1000 ONLINE  

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Posted June 24, 2015 - 04:28 PM

 

The problem is the carb. I can't think of any safe way to clean it. 

this is the carb it has 

http://www.amazon.co...Y1ANE9S6TR4YV51

 

 

It doesnt take much for these carbs to be affected by dirt, you can take them apart and they are not difficult at all to clean.

If you dont have a special tool to remove the square shaped nut on the bowl place a bolt that will fit in a vise and then place the carb on top and turn it will come right out.

They do make kits for them as well


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#13 bbuckler OFFLINE  

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Posted June 24, 2015 - 04:46 PM

Does the white piece that hold the jet come out

#14 Bolens 1000 ONLINE  

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Posted June 24, 2015 - 05:52 PM

I'm not sure, only had the bowl off when I took one apart for a customer



#15 bbuckler OFFLINE  

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Posted June 24, 2015 - 06:10 PM

I think this is a big worse ideas briggs and stratton had. Tecumseh plastic carbs was junk too I had one bought a rebuilt kit and then the bowl it still wouldn't run right I had to buy a new carb before it finally ran right.


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