Reply To: Lower unit gear oil 1948 Martin & 1956 15 hp evinrude

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November 16, 2020 at 7:07 am #220938
hiram1914
Participant

    The Martin 60 (7.2hp) uses grease and not oil. If you have a Martin 75 (7.5hp) it uses SAE 40 oil. In the Martin 60 I use Lubriplate 105, but many folks on this forum speak highly of Cornhead grease, which I believe they said is made by or for John Deere.