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Thread: Fuel\oil Ratio For 15HP Merc?

  1. #1
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    Default Fuel\oil Ratio For 15HP Merc?


    Is it 50:1? Roughly one pint of 2-cycle oil per 6 gallons of gasoline? Just want to make sure. Any advice?
    AMERICANS: Willing to cross a frozen river to kill you, in your sleep, on Christmas, totally not kidding, we've done it.

  2. #2
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    50 to 1 is correct. I have always been told its better to have a little extra oil than not enough. A little to much wont hurt it.

  3. #3
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    As long as it is a "newer" motor. Newer being 1970 or newer. The older outboards used 25:1 ratio

  4. #4
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    2.6 oz per gallon is a 50:1 ratio.
    Its all about how ya wiggle it!

  5. #5
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    Thanks!
    AMERICANS: Willing to cross a frozen river to kill you, in your sleep, on Christmas, totally not kidding, we've done it.

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