Question about Ryobi 15" Electric Factory Reconditioned Trimmer (ZRRY41002) - Factory Reconditioned
New gas can be a help...especially if the old gas is a month or more old. More important are all the different things that can lead to a no-start scenario with your machine. By process of elimination, you have to take it step by step and try to rule out all the different causes. Remember, this is an internal combusion engine, very similar to your car engine in that regard (it just doesn't have any valves and burn oil with the gas). A no start or stalling out and dying condition are the most common malady in these forums. For a start, check carbon buildup in the muffler and on the screen in the back of it. It's easy to take the muffler off. Torx head fasteners bolt it to the exhaust port of the engine. Check the exhaust port for bad buildup. Never clean it off the engine with metal...scrape it with a wooden device. Remove the spark plug. Shine flashlight down into engine. Is there a lot of carbon on top of the piston? Cleaning it up is a serious job if you remove the engine to do so.
Here is a Zama pdf file troubleshooting most possible mechanical and carburetor related problems. This is good reading and there is a lot to learn here. The charts are about 1/3 of the way into this file. Make sure all the screws and bolts to the carb and engine are tight and that the air filter is clean.
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Posted on Nov 12, 2010
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Posted on Jan 02, 2017
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