Ignition MB12: Checking coils for interturn short circuit.
Hello, two-stroke fans! We're talking about the finicky MB-12 (EM-2) ignition coils again. I've found a way to check the most vulnerable and important three-winding coil! The method requires an oscilloscope, a pulse generator, and someone who knows how to use them... otherwise, you'll need a specialized device! So, the first diagnostics reveal whether the ignition coils are repairable or not!