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scrambler backfire

  1. scrambler back fire cuts out

    Polaris Scrambler
    i got a 02 scrambler 500 i snorkeled it air box and belts ran fine put a new exhaust on it still ran fine upo and down drive way took it ridin and it didnt seem to have power and now it will idle all day long but when you throttle up it wants to cut out and backfire bad..i cleaned the carb...