Your problem is because you bought an Ebay/Chinese ignition. it does not have the 1/8 watt 100 ohm resistor to power the CDI to spend spark. Also, you have to make sure that the wiring pinout and and layout of the ebay ignition matches your harness. You'll have to take a part your ignition to verify. Be careful as the screws and aluminum are cheaply soft and you'll strip the threads easily.
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