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RPMs up and down

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twest10

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My problem is whenever I set both engines to any rpm above 4000, one engine will drop down 2000 RPMs and then go back to 4000. This will happen continously while under way. Does any one have any suggestions.
thanks
 
Welcome to teh seadoo forum twest10. It sounds like you need to remove the carburetors and clean them. If you're careful and don't tear or damage the diaphragms you won't need to buy a rebuild kit. Pay attention to the internal filters too. Do you have a seadoo shop manual? If not here’s an idea for you. You could join as a "premium member". As a premium member you can down load a authentic seadoo manual from the seadoo manual library. In the library is a variety of manuals for almost all years and models. You can view as many as you like on line as a PDF file, or download it and print it for your personal and private use. There are operator manuals and repair manuals for you to do your own repairs on your seadoo. The repair manuals have everything from troubleshooting, repair procedures to winterizing. It contains wire diagrams torque specs and pictures for disassemble and assemble instructions. In the spec sheets it tells everything needed to maintain oil changes, spark plug gaps, carburetor rebuilds and impeller wear ring tolerances. Click on the "Seadoo Manuals" link at the top of the page for more details. If you need any help or get in a jam, we are always here to answer your questions too. Premium members get priority when it comes to getting quick detailed answers.


Karl
 
My problem is whenever I set both engines to any rpm above 4000, one engine will drop down 2000 RPMs and then go back to 4000. This will happen continously while under way. Does any one have any suggestions.
thanks

I am having sort of the same problem with my 1996 speedster. I posted a thread a week ago, but havent received a firm answer. I pulled my carbs apart this weekend, but didnt notice anything that would be causing a problem. I will hopefully get it back together and take it out to see if maybe I fixed the problem.
Have you figured out what was causing your problem.
 
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