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Encore Software Kawasaki Jet Ski Watercraft for Windows Questions & Answers
Js 440 jet ski has no spark
check plugs are good , is there a spark at both plugs and make sure both are to earth as they spark at the same time known as a waisted spark coil ? remove plugs from caps and put a metal rod of some sort in them and hold against your hand and crank engine and you will feel a slight voltage if working ! wont hurt you !! if no remove caps and repete ! if no check kill switch isnt stuck or corroded etc ! P...
Jet ski bogs out under load.
I had a similar experience with that model. It turned out to be a mouse nest in the water box. However , in this case i think you just have some moisture corrosion on the rubber tipped needle in the carburetor. Clean that part of the carb and do not alter the tiny spring in any way. If that does not work open the electronics box, if it is wet , dry it out , and seal it back up. Those are the three things I know of that will cause your problem. Start with the carb.
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