Reply To: 1972 25 HP Johnson Outboard

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November 26, 2020 at 10:11 pm #221679
Evinrude 25
Participant

    It is actually 1973 since the model #25E 73 A and the serial number C 19189. It has two external coils which I have learnt from my 1973 20 hp about low tension ignition system. So from this serial number, could you tell if it has standard pistons? If not, could I convert it to standard piston or look for a good used standard piston from other models?