Why won't my bike spark pantera 125 cc 4 stroke.?

DROB

New member
I have this 125 and i paid $60 for it and it can grab the plug while i kick it over. I replaced the coil and i think it may be the cdi unit or the electrical box. On the coil i put my black right to the coil and the green on the right side of the coil for ground. Can i ground it right to the coil on the little arms or does it have to be on the bike. The black wire has a little fitting to go over a small plate on it. Anyways i can get the rear light on so the bike is on but still no spark. Any ideas.
There is fine compression, the starter works, the bike is on. The coil is new but not the cdi nor electrical unit. Prety much brand new, very little use but no spark.
 
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