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Thread: what mix for 1981 mariner 40 hp ????

  1. #1

    what mix for 1981 mariner 40 hp ????

    Hey guys I have a 1981 mariner 40 hp and the guy I brought it from said he used 50 : 1 mix, since then I have been told I should be running 25 : 1 mix, now I don't know what to run, also I was told to run leaded fuel as part of the mix, I have always ran unleaded. the age of the motor had me thinking that I should use leaded, any thoughts ???

    Thanks Chris. ???

  2. #2

    Re: what mix for 1981 mariner 40 hp ????

    hi i had a 1985 model 40 hp mariner and it ran on 50:1 i always mixed it with premium unleaded fuel NOT lrp
    billy

  3. #3

    Re: what mix for 1981 mariner 40 hp ????

    Chris, I had a 1982 60 hp Mariner from new and it ran 50:1. There was no unleaded at the time. The motor was actually made by Yamaha, it was a great motor.
    Tony

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