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have a bad coil on my 1937 neptune 2hp ob12a.is there a coil that i can replace it with. thanks
Any coil that will fit without the flywheel hitting it will work. I have removed laminations and filed the center part down to make these 7/16″. An OMC coil will work quite well. I have a coil and plate with points if you want it.
Is that 2 hp Neptune an opposed twin? If so you will need rather special coil.
Joe B
An OB12 is a single.