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    Prop sizing

    How do I determine the size of my propeller for replacement. The outboard is a 1985 Mercury In-line 6 cyl, 90 HP. There are 3 sets of numbers on the prop housing itself, and the letters D.A.N. which most people I Talk to don't have a clue as to the numbers or the Name?? My prop was broken, and...
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    What is the proper fuel/oil mixture

    I own a 1985,90 HP, 6 cyl Merc what is the proper fuel oil mixture I have been using 50:1 :confused:
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    What year is this outboard

    What year is this 6 cylinder mercury 90 HP outboard. based on the following <br />serial #6623670 I plan on purchasing this boat, but I am concerned of the year of the motor.
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