Re: 1958 Johnson 7.5 oil mix

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October 21, 2016 at 11:51 am #46244
Don
Participant

    US Member
    quote amuller:

    Am I correct that up through 1977 the little 4 hp twins were plain bearing motors and ran at 50-1?

    Yes, you are correct, unfortunately….I would recommend running those engines at 24:1 though….