New Jet Ski Parts and Used Jetski Parts - Jetskiparts.com Go to this website, and plug in your information on the ski its simple, and it will give you a parts breakdown of your Ignition system, and the park #'s and pricing.
My guess is that the coil has gone bad? Hopefully not the Igniter, because their spendy. but if your fimilar with cars you can ohms test and do your voltage testing and be able to figure it out. Good Luck, please post what you come up with.