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Yard brush trimmer 6.0hp. stalls under load. Runs smooth while idle. As soon as it hits the grass it stalls out.

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  • michael buchanan Oct 07, 2009

    This wasn't my posted issue. You may have responded to the wrong post. My issue is that my machine runs smoothly at idle and starts easily. it is when a load is applied such as when the trimmer is pushed into grass that it stalls. take note that this is a 6.0hp 4stoke push type brush string trimmer. not the typical shaft grass trimmer.



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SOURCE: will not idle

May be time to get the carburetor rebuilt. Sounds like the diaphragms are not working properly to pump fuel. You may need some lubrication on the throttle cable too. A little lubrication on the throttle arm would not hurt.
Good Day.

Posted on Oct 14, 2009

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SOURCE: My Homelite grass trimmer idles fine but when I

Give it 10 seconds run on middle choke turn it to run and dab the throttle on and off as quick as you can until it runs normally. Helpful in the cold too .

Posted on Jul 29, 2010

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SOURCE: echo trimmer srm230 runs but will not rev to cut grass

Check the spark arrester in the muffler out let is no blocked with carbon, remove the muffler and check the exhaust port itself is not carboned up.

Posted on Jun 04, 2012

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SOURCE: troybilt trimmer misfires under load, runs smooth with no load

try mixing a new batch of fuel/oil mix gas is only good for 30 days in small engines

Posted on Aug 11, 2012

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