Reply To: 1979 johnson 85hp help

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July 22, 2019 at 5:26 pm #179325
jeff-register
Participant

    i own a 1978 Evinrude 85. I have read the piston ring (top) is very close to the top of the piston. Do a compression test on all 4 cylinders, should be around 10-15% with in each other.
    Check the gearcase for clean oil. Iv’e put new seals in my mtr 3 times now.