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Ryobi 725r spark but no start


ejmaso's Avatar
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Join Date: May 2014
Posts: 3
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06-20-14, 05:13 AM   #1  
Ryobi 725r spark but no start

Hello,
I have replaced some parts on my "inherited" string trimmer, and it still will not start. I installed a new primer bulb and fuel lines; new plug and ignition module (after observing a very weak spark). The diaphragm on the Walbro carb does not appear to be torn, but this unit of the machine is where I suspect the problem.
Are there any tests or inspections I can do on the carb, or should I order a new one?

 
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cheese's Avatar
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Join Date: Jul 2001
Posts: 16,570
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06-21-14, 01:50 AM   #2  
If the carburetor is the problem, I'd say ordering a new one is probably about as cheap as getting a kit and cleaner and rebuilding it, cheaper if you count your time.


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