there is a small air filter you need to clean to. it is under the idle screw.
sharon
August 2007
there is an idle speed screw on the end of engine. start the engine,let run at high to warm up. release throttle trigger,let engine idle.if it stops,insert a phillips andturn clockwise until it idles smoothly. there is a free manual online. i looked up ryobi 705r and found one to download.
sharon
August 2007
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