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  1. K

    ball gears

    How much wear on the ball gear is allowed before they need to be replaced?
  2. K

    lower unit oil

    I know I should use OMC premium blend lower unit oil in my '73 OMC I/O, but the dealers around here are carying Evinrude/Johnson HPF XR lower unit oil. Can thise be used? Thanks
  3. K

    1973 OMC 140hp Sterndrive

    I just recently purchased a boat with 1973 OMC 140hp sterndrive and do not know about I/O. Doing some routine maintanance of changing plugs, oil and filters. I have a few questions. I would greatly appreciate if someone could please answer. 1) How do you change the oil in the intermediate...
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