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  1. M

    How to adjust the idle?

    I am not sure how to do that.. the guy I bought it from is very knowledgeable. He told me he bumped the idol. He used it for a track only setup. I'm just having trouble reaching him to find out how to lower it..
  2. M

    How to adjust the idle?

    I bought a rc390 used and the idle has been bumped way up. It idles at 3500 RPM when warmed up. When cold it varrys between 2 and 3K RPM. Does anyone know how to adjust it?
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