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15F/12F Jetpump Bearing Upgrade to 2012 Spec

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  • #31
    I already have a new SOlas that I got from Dave at Impros last year. Will just reinstall that into the new pump. Based on our conversation he recommeded the 14/20.

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    • #32
      Has anyone confirmed this mod will work on an stxr?

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      • #33
        What year model?

        Sean
        The older I get, the more I find myself fixing things that I knew I was doing correctly at the time.‚Äč

        Ski not running well? Check HERE!

        2004 Kawasaki NAsty15f Build
        1987 Kawasaki JankyStandup Build
        2004 Kawi-Doo STX-RXT-X Build
        2001 Toyota Tundra Basketcase Build

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        • #34
          2002 stx-r

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          • #35
            Originally posted by turboman412 View Post
            Has anyone confirmed this mod will work on an stxr?
            No idea, if my brother still has his pump apart from his STXR, I can compare the two models and see if the parts are interchangeable. Not sure when I will see him though to do this.

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            • #36
              Originally posted by turboman412 View Post
              Has anyone confirmed this mod will work on an stxr?

              Not physcially confirmed but my research on Kawi parts catalog says it should work since 2002 stx-r also uses the same 148 mm pump as on 12F, 15F, etc.
              W/O Pic is a B.S.
              I'm here to help Kawi Riders!

              MGM

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              • #37
                Originally posted by meangreenman View Post
                Originally posted by turboman412 View Post
                Has anyone confirmed this mod will work on an stxr?

                Not physcially confirmed but my research on Kawi parts catalog says it should work since 2002 stx-r also uses the same 148 mm pump as on 12F, 15F, etc.
                Turboman pointed me here for the dual bearing mod. I like the idea and need a housing anyway...anyone do this yet??? seems like a little more drag but a little more piece of mind. Is this really necessary? this is my first PWC so I have no idea how long a pump bearing lasts. Is it easier to just swap them every couple years and keep the old set up?

                How many hours can I expect out of a new housing and bearings that are well maintained? new or old style?

                I am working on rebuilding a 2003 STX-R, as far as the end cone that houses the last bearing is concerned, is it part number 11065-0826 or 11012-3785? or something different?

                Thanks!
                2003 Kawasaki STX-R Group K Stage 1
                2003 Kawasaki STX-R Group K Stage 2
                2003 Kawasaki SXR Group K 850 Sleeper
                2003 Yamaha LX210 Group K Sleeper
                1998 Kawasaki SXi Pro
                1998 Kawasaki SXi Pro
                1996 Kawasaki TS 650
                1995 Seadoo GTX
                1992 Kawasaki 750 SX

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                • #38
                  I'm confused, I just bought an 08 Stx 15 yesterday. Do I need a 2012 housing to do this mod or will it work with mine if I buy the listed parts?

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                  • #39
                    Pump Housing dual Bearing,59496-0001(2015)
                    Pump Shaft Dual Bearing with back thread,13107-0765(2015 w/thread)
                    Nut for back of shaft 18mm,92015-1512
                    Front Bearing x 2,92045-3744 x 2
                    Nose Cone to accept bearing,11065-0828
                    Rear Bearing for Nose Cone,92045-0112
                    Bolts for Nose cone/Cap,92002-3726
                    Bushing,92139-3720
                    Front Seals x 3,92049-3739
                    O ring Small,92055-025
                    O ring Large,92055-3741
                    Impeller Shaft Seal,92093-3749

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                    • #40
                      So you have to buy a whole new pump housing and the parts. Thanks

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                      • #41
                        I am upgrading my 2007 Ultra 250x Jet Pump Shaft and Bearings to the 2011 300x specs. I am ready to start putting it all together but my only questions is where does the Ring-O,49.7x2.4 Part #92055-0183 goes. The 07 did not have this o ring and Just need to see if some one has a picture or a diagram that can help me... Thanks Alex F.

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                        • #42
                          I can't really tell where it goes either in the diagram....

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                          • #43
                            I have a 2004 STX-12f, so if I buy all the parts shown in the picture I should be able to bolt the upgraded pump right into my ski?
                            I'm confused when you say "What parts do you need in order to upgrade to 2012 setup?
                            It depends what model year 15F/12F you have since there are several varieties." What parts will be different depending on the varieties?

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                            • #44
                              ............

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                              • #45
                                This has been really helpful, thanks everyone!

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