Always remember to check the grey wire coming from the ignition switch, for a volt drop. Some times it can be as simple as a fuse, or broken wire. A good ohm meter, & digital test light , will help you locate you no spark issue in no time! Remember to subscribe if you're new to the channel. Drop a comment if you have any questions about diagnosis your zx9r, Zx7r. I'll be more than happy to help where I can . Thanks for Watching!