SUNL 90
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SUNL 90
I swapped the CDI boxes between bikes and the good CDI from the broken frame bike is smaller but when connected, it produced spark but not consistently. Put the old bigger CDI back on, no spark. Swap out, minimal spark. Spoke w/ the SUNL dealer and he said the two sizes have different circuitry which creates different timing for the spark. He is sending a new big CDI so hopefully that will indeed solve the problem. He said teh CDI is sensitive to shock which is why it has a rubber mount to the frame. But that may explain things since this one was hanging when we got the bike and always fell off.
Thanks to all for your great input and troubleshooting.
Thanks to all for your great input and troubleshooting.
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