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Thread: Spark plugs?

  1. #1

    Spark plugs?

    Hey I gotta 99 gsx/rfi and changed the plugs like 2 days ago it was running fine took it out again and it started bogging down again removed the plugs an they were kinda oily? So I changed them again and ran perfect.. Was wondering if anyone knows why my plugs keep fouling on me? I'm using bp8es or something like that? Someone told me to use bp7es? Thanks in advance!!

  2. #2

    Join Date
    Aug 2007
    Augusta Georgia
    use the 8's and it could be a number of reasons type oil are you riding any distance in a no wake zone could have blow buy from the rings if the hours are high

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