![Can i use just this coil with my speeduino or i need a separate igniter to control spark timing and not fry mu ecu. (Application: single cylinder efi yamaha motorcycle that used Can i use just this coil with my speeduino or i need a separate igniter to control spark timing and not fry mu ecu. (Application: single cylinder efi yamaha motorcycle that used](https://preview.redd.it/ibbfepw7nor51.jpg?width=640&crop=smart&auto=webp&s=750871fccaa3d1f5054902f5f5608890054edce1)
Can i use just this coil with my speeduino or i need a separate igniter to control spark timing and not fry mu ecu. (Application: single cylinder efi yamaha motorcycle that used
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