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Will not hold idle for tuning when does runs for approx 20 minutes no smoke then will not restart-how ever still has spark - carb recently cleaned however internal diaphragm and gasket old- iS THE CARB MOST LIKELY SUSPECT CONSIDERING AGE OF TRIMMER AND SYMPTOMS LIKELY THAT OF CRAFTSMAN MOWERS?

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  • Jim Parker
    Jim Parker May 11, 2010

    When your trimmer dies after running for 20 min., how long is it before you can restart it?

    Jim

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Yes your carb. diaphrams could no longer be pliable due to the ethanol 10% fuel to say the least. ethanol is rubber diaphrams worst nightmare along with the owners
also check this if you havent
you have a muffler screen that also may be partially clogged
some screens maybe on the outside of the muffler behind a plate with screws and some behind the muffler which requires removal and you may not have one at all but it is wortha look see.
hope this helps?

Posted on May 31, 2009

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