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Mercury 90hp Ski Jet Drive Housing

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  • Mercury 90hp Ski Jet Drive Housing

    I just purchased a 1994 Bayliner 1401 Jazz. Need I say the engine is a horror show.

    I am looking at the bottom of the drive housing. There are two 1/2" dia flat head screws.

    The first one is aft and offset from centerline near the shaft. With a slight turn it leaks a greenish-blueish thick oil.

    The second is forward and to port of center line on the drive housing and can leak a darkish oil akin to used automobile oil.

    Simply put,where can I find out what's going here? What purpose do these two fluid serve? How do I refill them?

    Any explanation and direction would be appreciated.
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