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I have a ryo9050 blower/vac that will not start, primer bulb is new, fuel is flowing into the carb. Spark plug replaced and I have spark. Any ideas?
 

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Have you done a compression test on the machine? You normally need 100 psi for a good running engine.remove the spark plug and put a teaspoon of two cycle oil in the engine and try starting it.If it now starts,you have a worn piston ring and/or scored cylinder.You can pull the muffler off and look inside the port to check for cylinder scoring.Let us know what you find.
 
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