Thread: Discussion CLUB SAITO ON RC-Groups
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Old Jul 13, 2009, 08:55 AM
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The purpose of the idle Bar was to keep the intake charge in a two stroke from drowning the plug since the intake charge was blowing right up at it. The intake charge in a fourstroke is directed downward and away from the plug. Four stroke plugs are designed to hold heat longer due to the engine firing every other stroke.
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