Re: Converting 1972 4hp OMC to CD ignition

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March 5, 2017 at 12:50 pm #53857
johnyrude200
Participant

    Well, more just a curiosity to see if it could be done. The newer 4 has full gearshift, tiller throttle, and the stop button kill. The original does not.

    Weight wise, they arent that much heavier but I see your point about the overall dimensions. Just curious in terms of debating new vs old school.

    T2 – great point about the late 70’s model.

    Parts booklets show different part #’s for cranks, pistons, rods. Maybe if I ever have free time Ill pull apart a powerhead from each motor (have a few dead ones here) for entertainment purposes.

    I wonder if the flywheel key is in the same place, degree-wise?