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Thread: two stroke oil

  1. #1
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    Question two stroke oil


    Can i burn synthetic 2 stroke oil in my 83 Mariner/yamaha/merc 40 horse? i dont want to burn it up but i like the idea of smokless or nearly smokeless
    Stinkies Daddy

  2. #2
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    Bump
    Stinkies Daddy

  3. #3
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    Did not know synthetic would reduce smoke,will ask marine mech what he thinks.
    CATCH FILLET

  4. #4
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    I think you should wait and get a response from Jerry Blake or Darryl Morris. I don't remember which one had the experience but, he burned up a motor by switching oils.
    DP
    I am a heterosexual male. 2 Chronicles 7:14
    "If my people who are called by My name will humble themselves and pray and seek My face and turn from their wicked ways, then I will hear from Heaven and will forgive their sin and heal their land."

  5. #5
    Barnacle Bill's Avatar
    Barnacle Bill is offline Super Mod and 2014 Crappie.com Man of the Year * Crappie.com Supporter
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    I had a 83 Merc 150 I switch to synthetics with and didn't really notice that much difference with the smoke.
    Fair Winds and Following Seas

    Bill H. PTC USN Ret
    Chesapeake, Va


  6. #6
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    Default synthetic

    I use it with good results. You are not going to see a huge difference in smoke in a "premix" motor. You will in a "self-mixer" but then I recomend any self-oiling system be disabled and the motor run premixed. I have seen significant reduction in evidence of friction wear in the cylinders. I use Penzoil 100% synthetic. One draw back is the oil does not protect the steel parts inside as well if the motor is used infrequently. Jim.

  7. #7
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    Yes you can use synthetic oil.

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