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Recent content by jgieschen

  1. J

    1963 Merc 500 - how to drain lower unit oil?

    Hi there I inherited this motor and wanted to change the lower unit oil. There are two screws that I thought would be the fill and vent that sit very close to one another(I can't seem to post a pic here), but when I take them both off, nothing happens. I let it sit for about 6 hours and there...
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