Thread: what oil to run

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  1. #1
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    what oil to run

    Hello everyone im in the process of getting a new boat and it has a 1999 merch optimax 225. my question is what type of oil is recommended and should I use the cocktail as well. the motor has 288 hours so I want to keep it running like new.

  2. Member
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    May 2011
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    #2
    _______

    Phil
    '09 Hewescraft ProV
    '09 150 Optimax


  3. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    Apr 2008
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    Greenville, SC (US)
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    #3
    +1

    Optimax/DFI oil, and recommend using the Cocktail in EVERY tank of fuel.


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
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