Cdi vs coil

canalcat

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What difference between Coil and Cdi? Are they the same? What do they Do and what do they Look like? Thank you Any Senior!!!
 
some CDIs connect through a coil to spark plug - these are rare

most kits only have a coil on the stator of the magneto
 
the stator coil/magneto produces an AC voltage which powers the CDI. at the right time the CDI dumps a spike of voltage into the high voltage coil which amplifies it to produce a spike of thousands of volts going to the spark plug.
 
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