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fouling plugs

  1. 1988 Banshee Help

    Yamaha YFZ350 Banshee (1987-Present)
    I have a 1988 Banshee and at first one side was firing more than the other and the plugs would faul out quick but the one thats not firing as much fouls first and now it pushes out lots of white smoke out the one side and it back fires every once in awhile. it starts fine cold but when it gets...
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