Welcome to the seadoo forum dalmisano1. Simple fix...where's that line start... First is the fuel fresh? Are the spark plugs new and properly gapped? Have you checked the compression? it should be ideally 150 psi. Are the carbs cleaned and adjusted to the proper settings? Is the throttle cable properly adjusted so your getting full throttle? There could be a number of things that will keep your seadoo from running properly.
Here's an idea... 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 privet 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.
Karl