Re: Searching for a 10 hp Johnson or Evinrude

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November 23, 2016 at 11:05 am #47888
Leon
Participant

    You have the 4 smaller 7/16 hex bolts and the larger 9/16 hex bolt at the very back of the exhaust housing. It was used on the following models:

    10 hp 1955 – 1957
    12hp (not sure of years)
    15hp 1955 – 1956
    18hp 1957 – 1973
    20hp 1966 up
    25hp 1969 -1976

    Those are just my guesstimates, but they’re close. It was a very common lower in the J/E and Gale motors. Gale brands had the 12hp deluxe motors with it too.