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Replacing wear ring and repairing impeller 07-12F

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  • #16
    Good job! I just wish the liner was replaceable on the the Ultra 150 pump.
    '15 Kawi Ultra 310X
    '99 Kawi Ultra 150 (2)
    '10 Kawi Ultra LX, '13 Kawi Ultra LX, '13 Kawi Ultra LX parts 'Ski
    '04 Kawi STX 15-F, '06 STX 15-F (2)
    '91 Kawi Jet Mate
    '97 Yamaha Exciter 220 (Boat)
    '99 Yamaha Exciter 270 (Boat)
    '78 Nacra 5.2 Catamaran
    '05 Windrider WR-10 Trimaran, '05 Windrider WR-16 Trimaran
    ... and that's just the boats! I'm living proof that you can have too many toys!

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    • #17
      Ok had it out all weekend on the sound. Got 52MPH on the dash (no GPS), full tank and 220lbs of me. I think this is about right.
      T.J.

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      • #18
        Old thread but heres a couple of videos that show it can be done with pretty basic tools... I make stainless 1.2mm wear rings the same as the uhmwpe one in the video . Its how Hamilton jet do theres on bigger pumps

        Heres another way too do blade ODs if you dont have a lathe
        Home made jetboat impellar grinder https://www.youtube.com/watch?v=jD2BMH76JZw https://www.youtube.com/watch?v=QQigLaE-YR0https://www.youtube.com/watch...

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        • #19
          That's interesting, mohawk! Guess you do what ya gotta do! How do you keep track of the diameter when grinding the blades?
          '15 Kawi Ultra 310X
          '99 Kawi Ultra 150 (2)
          '10 Kawi Ultra LX, '13 Kawi Ultra LX, '13 Kawi Ultra LX parts 'Ski
          '04 Kawi STX 15-F, '06 STX 15-F (2)
          '91 Kawi Jet Mate
          '97 Yamaha Exciter 220 (Boat)
          '99 Yamaha Exciter 270 (Boat)
          '78 Nacra 5.2 Catamaran
          '05 Windrider WR-10 Trimaran, '05 Windrider WR-16 Trimaran
          ... and that's just the boats! I'm living proof that you can have too many toys!

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          • #20
            Mowhawk. I have commented on those vids. Cool idea. Do you have any vids of you fabricating the stainless wear ring. The Kawi wear rings are very thin. So locating a piece of UHMW(whatever it is called) might be a large task, albeit I have not really looked. I think going the plastic wear ring route will save impeller wear as I am in salt water and at the beach a lot even though the wear ring and impeller are stainless.

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            • #21
              Resurecting a old post purely because it was super useful to me while doing the same process.... Here are a few pictures of the pump before I started... It is a Kawasaki 260LX Ultra pump.
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              • #22
                Did you press a wear ring in it ?

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                • #23
                  Here is the housing with the new sleeve and the welded impeller.

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                  • #24
                    Yes while heating the housing, seems solid.

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                    • #25
                      Folks. This is how it is done. Nice job. Keep checking your clearences when machining od grinding the impeller. Shoot for .008". Might have to sand down that hump where the ring is welded.

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                      • #26
                        Originally posted by TJS0712F View Post
                        Folks. This is how it is done. Nice job. Keep checking your clearences when machining od grinding the impeller. Shoot for .008". Might have to sand down that hump where the ring is welded.
                        Thanks ��.... Will do and I am planning on smoothing the welds so it looks uniform.
                        Last edited by Detox; 02-09-2021, 05:52 AM.

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                        • #27
                          So the work is complete and here is the final product.... Smooth and at 6 thous....

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