Re: 1960 Evinrude 5520 pistons

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October 7, 2015 at 4:46 pm #25271
Mumbles
Participant

    Any piston from ’54 to ’79 will work in your motor. The only difference in them is the later ones in the 70’s had two rings instead of three.

    One nice thing about the OMC 5.5’s is that lots of parts are interchangeable thru the years. 😀