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Ryobi 2 cycle gas trimmer 705r/725r

I have a ryobi 725r weed eater. I can get it to run, for about five sec. Run the throttle and gas just spits out the exhaust, It dies after the 5 sec run time, I tore apart the carburator and cleaned it up, still does the same thing. A little help please

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  • Jim Parker
    Jim Parker May 11, 2010

    Did you recently replace the fuel lines?

    Jim


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Posted on Jan 02, 2017

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panilling9
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SOURCE: no power

check for restricted exhaust next
some manufactuers put screens in their exhausts and they tend to plug up sometimes remove clean and put back screen.
When you removed carb. and dimantled were the rubber pieces soft and pliable? if they were not then consider a carb. kit
Be sure on the needle valve side of the carb. the diaphram side
the gasket goes first then the diaphram not the opposite. Zama or walbro the same deal
sometimes you have to dismantle the carb totally and drop it in carb. cleaner for awhile to allow to penetrate where its hard to clean and sometimes you have to replace the carb,but not always
the initial carb. setting for high and low is 1and1/4 turn and tweek from there.
Also the smallest pinhole in the fuel lines will create havoc also.
and if compression is weak or low the carb. will not work properly either.
Try these things and maybe it will help you some?

Posted on Jun 02, 2009

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No power


check for restricted exhaust next
some manufactuers put screens in their exhausts and they tend to plug up sometimes remove clean and put back screen.
When you removed carb. and dimantled were the rubber pieces soft and pliable? if they were not then consider a carb. kit
Be sure on the needle valve side of the carb. the diaphram side
the gasket goes first then the diaphram not the opposite. Zama or walbro the same deal
sometimes you have to dismantle the carb totally and drop it in carb. cleaner for awhile to allow to penetrate where its hard to clean and sometimes you have to replace the carb,but not always
the initial carb. setting for high and low is 1and1/4 turn and tweek from there.
Also the smallest pinhole in the fuel lines will create havoc also.
and if compression is weak or low the carb. will not work properly either.
Try these things and maybe it will help you some?

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