Gy6 150cc 4stroke won’t start

[scooterrookie]

Hi there, I’ve tried almost everything that I could think of. Changed the CDI, SPARK PLUG and Wire, and the stator 12 pole yet still have no spark. It gives same start as if I had the old set up. I keep going back and froth with the parts but still I don’t get spark. I have measured voltage out of cdi but than once I press the start button, it disappears. It sounds as the starter rotates but the stator won’t rotate. I need help or ideas as what to check or where to go.. thank you


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