Recent content by jeff1974

  1. J

    1973 merc 7.5 thunderbolt KB12A carb parts

    Hi guys, i have a merc 7.5 SN# 3375295 that i need to rebuild the carb in. Its a KB12A. I had it apart and noticed the idle tube has a crack in it. I think its a common problem from what i have read, but i cant seem to find a part number for it and nobody seems to have one. Everyone says its...
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