Looking for H50 lightning coil info.

#1
Could anyone give me a quick run down of this ignition system. I searched around and the info i found has overwhelmed me. I just need a basic guide of how to make sure this is working properly. Possibly a recommended list of parts that should be replaced. Or any tips or tricks would be helpful. It has the spark plug wire on one end. On the other is a wiring harness for the head and tail lights(I Think). On the back side I can see the points inside the housing.

Any info would be helpful, thanks.
 
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