I'm trying to figure out why I have no spark, It ran great then next time it wouldn't start so I put a spark plug tester on each plug and nothing. I check the stop switch on handle bars and battery is new.
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Not real familiar with waverunners (this is a car and truck section after all), but remember that when you have been riding and stop engine it gets much hotter. Could possibly be coil "Heat Soak", or even a fuel system vapor lock issue caused by a pinhole leak in a line or a bad gas cap. Not very confident in this, but the best I got. Try posting in the waverunner section.
How old is the fuel? Ethanol causes major problems if left too long. You may need to empty the fuel and clean out the fuel system. Try changing the fuel filter and adding some seafoam to the fuel and running seafoam thru the fuel system. Hopoe this helps.
I would recommend that you check to see if you are getting spark from the coil/coil packs. If this is not the issue, then you may be looking at a timing problem.
SOunds like the timing belt has broke. To check you can take off distributor cap and turn over engine and see if the rotor turns. If not you have a busted timing belt. Please rate this a fixya if this helps.Thanks!!!
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