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  1. #1
    Member
    Join Date
    Aug 2016
    Location
    Texas
    Posts
    239

    Plug gap 1990 XP 150

    What is the gap setting on the champion spark plugs for this motor?
    Thanks

  2. Member
    Join Date
    Aug 2009
    Location
    Wichita KS
    Posts
    4,917
    #2
    Ql77JC4 gap .030