Re: ANTIQUE OMC OUTBOARD IDENTIFICATION Home › Forum › Ask A Member › ANTIQUE OMC OUTBOARD IDENTIFICATION › Re: ANTIQUE OMC OUTBOARD IDENTIFICATION keesInternational Member - 2 YearsReplies: 516Topics: 17 April 26, 2018 at 1:21 pm #74808 .. Please, can you post a picture of the lower unit and also of the backside of the power head with the muffler then I can see if there is a difference between the flywheel magneto or the coil for battery ignition model thanks ..