Four Cycle Ryobi S - 430

bogdaN

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Mar 27, 2016
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I am working on a Ryobi weed trimmer and am wondering how you disassemble the engine, mainly how you would take the piston out. I'm having an issue with no compression, since it is a four cycle I can't see the piston through the exhaust port.20200618_085254.jpg20200618_085300.jpg
 

bogdaN

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have that figure out,not easy but it is working.
 

Richie F

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Would you like to share what you did ?
 

bogdaN

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Mar 27, 2016
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To remove piston with connecting rod i have to hammer out the shaft---witch was not easy.Found bad piston,the ring was stock,lot of carbon.Manage to remove and clean ring.Put everything together and work.Most likely oil was never changed and that did it.Dan
 
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