I have lifan 1p54fmi 124cc 54mm square bore engine with big valves.

How do I know which ignition could is best for it?

One coil is from 85cc bikes produced locally it's primary winding resistance is 0.6 ohm and secondary winding resistance is 4.7K ohm.

Second is from cg 125 its primary resistance is 0.4ohm and secondary is 3.4k ohm

If I look for another one then what parameters should I look for in it?


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