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Fuel/Oil Mixture 1972 Mercury Outboard

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  • Fuel/Oil Mixture 1972 Mercury Outboard

    Can you please tell me the gas/oil ratio for a1972, 65 HP, Mercury outboard motor?Thank you

  • #2
    Re: Fuel/Oil Mixture 1972 Mercury Outboard

    Be glad to, Boat girl.You want a 50:1 gas to oil ratio. The most common way to get this (or close enough) is to put 1 pint of TC-W3 outboard oil into a standard, 6 gallon tank and fill it with 6 gallons of unleaded regular gas. Avoid gas with alcohol in it.Good luck.
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    • #3
      Re: Fuel/Oil Mixture 1972 Mercury Outboard

      50.1 is right use TCW3 oil. Remember putting alcohol in can give you gas & a headache

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      • #4
        Re: Fuel/Oil Mixture 1972 Mercury Outboard

        Thanks, all.

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        • #5
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          Re: Fuel/Oil Mixture 1972 Mercury Outboard

          do you know what could be wrong 72 merc 50hp the hooks that grab the bar that holds motor down in reverse. wont grab bar. is there an adjustment and where.

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