Rob67 Posted October 6, 2020 Share Posted October 6, 2020 Hi, does anyone know where the capacitor, which I presume is in the CDI unit, gets it's power from to charge the main ignition coils? This is on a kawasaki gpx750f1. Quote Link to comment Share on other sites More sharing options...
WD-40 Posted October 6, 2020 Share Posted October 6, 2020 Is that the right manual? http://www.manualedereparatie.info/en/download/Kawasaki-GPX-750-R-ZX-750-F1-Service-Manual.htmlGoing by that manual it's TCI not CDI so the ignition coils get power from the battery. And ground through the TCI. Quote Link to comment Share on other sites More sharing options...
Rob67 Posted October 6, 2020 Author Share Posted October 6, 2020 Thanks for your reply, I am wrong about the ignition having read the manual again. I thought I understood how it works but you are right it is a transitorized system, they call it a ic ignitor in the manual. Where do the coils get their power from? Quote Link to comment Share on other sites More sharing options...
JRH Posted October 6, 2020 Share Posted October 6, 2020 Thanks for your reply, I am wrong about the ignition having read the manual again. I thought I understood how it works but you are right it is a transitorized system, they call it a ic ignitor in the manual. Where do the coils get their power from?This may helpGPX750R Quote Link to comment Share on other sites More sharing options...
Rob67 Posted October 6, 2020 Author Share Posted October 6, 2020 Thanks for that, I do have the workshop manual and Haynes manual for it, but appreciate you posting that. What I really want to know is the sequence of events of the ignition circuit ie. how the coils get charged up on the primary side. Quote Link to comment Share on other sites More sharing options...
WD-40 Posted October 6, 2020 Share Posted October 6, 2020 It's shown in JRH's diagram. Follow the wire from the positive battery terminal. Battery positive to a bullet connector, to 30A main fuse to a bullet connector, to 6 pin connector, to Ignition switch, back to 6 pin connector, to 4 pin connector, to engine stop switch, back to 4 pin connector, to ignition coils Quote Link to comment Share on other sites More sharing options...
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