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Hello,
Brand new to this hobby as I picked up a 1948 Mercury KE4 for free. It is in great shape but it has been sitting in a barn for 20 years. While trying to resist the urge to take it completely apart I have decided to do a few things first to determine if it is worth it. Easiest thing is a carb re-build and clean. But the ignition stumps me.
I have determined through the service manual that I have the Scintilla ignition and I removed the coils to bench test them on an auto ranging Fluke meter.
Primary reads 3.2 Ohms on both coils and secondary reads 5.7 on one and 7.2 on the other. Both have cracked casings.
Are these BAD? If they are I have read that there is an obtainable replacement that fits the frame and has the same performance characteristics as the Scintilla with some modifications. Does anyone have instructions on this?