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  1. #1

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    Swollen OE jet pump wear ring, replacement options?

    Gents,

    While I had the motor out of my '04 msx 140 today (fixing an unrelated motor mount issue) I noticed that the impeller was getting bound up on the wear ring. There were multiple sections of the wear ring where the SS liner had swollen due to I assume galvanic corrosion between the aluminum housing and the SS liner.

    Are there any reliable replacements out there that people have used? I have found all aluminum ones on ebay, but I would think that the aluminum would degrade significantly faster than an SS one (and still cause galvanic corrosion between the pump base (which I assume is steel), the stator housing (which I also think is steel) and the aluminum wear ring. So I guess my questions are:

    1) Are there any full SS replacements out there?

    2) The stock one lasted approx. 11 years, but I don't know when the swelling started since I am not the original owner. Would it be reasonable to maybe find a stock wear ring off of fresh water ski on ebay or something?

    3) Any thoughts on the all aluminum aftermarket wear rings out there? This ski sees Chesapeake Bay water (which is brackish...ie slightly salty, no where near the salinity of ocean water)

    Any feedback or knowledge on the subject would be much appreciated, Thanks!


  2. #2
    Click avatar for tech links/info K447's Avatar
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    There are solid stainless steel extended wear rings. Should be able to find one with some hunting around.

    If you can find a new or fresh water good used wear ring with the SS liner inside the painted black aluminum casting, it should last for years.

  3. #3
    GGG's Avatar
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    They put the full stainless wear ring in the 04 mx150 p/n 5131196

  4. #4

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    i have 3 03 MSXs and they all have solid stainless wear rings

  5. #5

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    Thanks for the replies guys! Do you all know whether the wear ring #5134562 which replaces 5131196 (I guess this was the 'original' stock one?) is a full stainless ring?

  6. #6
    Resident electronics hacker UnityRacing's Avatar
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    Can anyone confirm which part number is for the wear ring that is full stainless steel, with the alignment ears?

  7. #7
    MSX 150 guy lives on Mr. GP1800's Avatar
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    SBT does sell a solid stainless wear ring as well.

  8. #8
    Resident electronics hacker UnityRacing's Avatar
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    I thought they did, but I cannot find it on their website.

  9. #9
    MSX 150 guy lives on Mr. GP1800's Avatar
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    Quote Originally Posted by UnityRacing View Post
    I thought they did, but I cannot find it on their website.

    http://www.shopsbt.com/jet-ski-jet-p...0-5131196.html

  10. #10

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    I picked up the one from partspitstop for like $158 or something. I guess I will find out of its an stainless or the alum w/steel liner lol.

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