725r will not run when hot.


Old 04-06-08, 03:39 PM
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Join Date: Apr 2008
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725r will not run when hot.

I'm have a problem with my Ryobi 725r weedeater. When its cold it runs fine (I have to pull it 4-5 time on choke and then take it off and it starts right up). However, after it runs for some time and I stop it, it will crank and run for a couple of seconds and then stop. Could it be the module assembly going bad? Thanks.
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Old 04-06-08, 06:43 PM
Join Date: Apr 2008
Location: U.S.
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I'm not real familiar with weed eaters but I know that with these small 2-stroke engines not starting or hard stating when hot is "Usually" a sign of low compression..
Old 04-06-08, 10:07 PM
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Join Date: Jul 2001
Location: USA
Posts: 16,814
Could be the module...check for spark when it dies. If none, then the module is bad. Could also be a crankcase air leak or plugged gas cap vent. Do you have to prime and choke to re-start it?

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