Question about Ryobi 15" Electric Factory Reconditioned Trimmer (ZRRY41002) - Factory Reconditioned

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Ryobi 725r 31cc

Motor will not stay running unless I keep pressing the primer bulb. As soon as I stop pressing the bulb the engine dies. It seems to be getting enough gas as gas is dripping out around the carburator area.

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  • dragonnovice Jul 24, 2008

    gas is leaking from the rotten plastic bulb. where to buy the primer bulb for ryobi 725r?

  • Anonymous Aug 10, 2008

    Motor will not stay running unless I keep pressing the primer bulb. As soon as I stop pressing the bulb the engine dies. It seems to be getting enough gas as gas is dripping out around the carburator area.

  • Anonymous Aug 19, 2008

    will start but will not stay fired up stalls after a couple of minutes

  • lulawilson Sep 30, 2008

    I have the same problem. After I start the trimmer, I push the blue switch back and hold it there for a few seconds, it will continue to run as long as I do not turn the trimmer upside down. Need a solution.

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Ryobi is Japanese for "Piece of ****" My suggestion is to throw it out!
My 767r has had fuel line and carb trouble from day one. I'll never buy another Ryobi or Craftsman tool again.

Posted on Jul 03, 2009

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Hey! had the same problem w/a trimmer not used for 2 yrs. Tried the bulb replacement since I cound see air in the fuel lines. Solved the problem! (Saved the hassle + $$$ of replacing the carb). Thanks a big bunch! Ryobi model 767r 16" 31cc This would probably work on other engines using bulb primer.

Bob, Colorado, 7/03/08

Posted on Jul 03, 2008

Remmbered you have to have good compression 110 psi and good presser in the block or vacuum.

Posted on Oct 10, 2008

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The primer bulb has a small air leak or rupture. You will need to replace the primer ball assembly

Posted on Jun 18, 2008

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I have the same problem and may have a solution. I looked at the primer pump and it was cracked letting air into the system. When I pumped it my finger was over the crack and it worked fine. When I stopped the crack was able to **** air again. Take a look.

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