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  1. #1
    PETRUS's Avatar
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    RXP pump bearing

    How often do we really need to replace pump bearing on our RXP?
    Dealer says about every 100h
    I have +150h so far @8100 in salt water, just inspected inside nose cone,
    grease looks ok, very black a bit low, but not water intrusion

    What you guys reckon is a safe hour limit on those stock bearings?
    Can i replace it myself, will i need an hydraulic press?
    or better let the dealer press it inside the pump?

    thanks


  2. #2
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    If your grease is black... you do have a problem!!!

  3. #3
    PETRUS's Avatar
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    So what s the problem & how do i fix it? thanks

  4. #4
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    You have water in the pump... replace the front seals, and the cone o-rings. Might as well throw a bearing in it as well... and be done with it for a while.

  5. #5
    PETRUS's Avatar
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    Hi BIGDADDY, can you check my pics: are you positive I have water in the pump?
    The o-rings all look intact, what do you mean by front seals? I know only 1, the black neoprene seal that s same diameter as wear ring and goes just on top of it in the pump
    Can I change the bearing myself, or is it better to let the dealer do it?
    Do I need an hydraulic press to push in inside, or will it just slide in with a bit of grease? any tips welcome
    Thanks
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  6. #6
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    There is a seal behind the prop that seals the pump shaft, and it appears to be letting water in your pump. The grease will turn black like yours is... when water is present in the pump. If you have the proper tools, and knowledge... you can do the job yourself!

  7. #7
    PETRUS's Avatar
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    Quote Originally Posted by bigdaddyRXP View Post
    There is a seal behind the prop that seals the pump shaft
    You mean this little bugger?
    It does look a little roughed up but o-ring inside is still in 1 piece

    Can I use this grease and this pump oil to repack bearing and cone?

    The one & only dealer in the country is 500km away so I am trying to do the job myself...
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  8. #8
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    Quote Originally Posted by PETRUS View Post
    You mean this little bugger?
    It does look a little roughed up but o-ring inside is still in 1 piece

    Can I use this grease and this pump oil to repack bearing and cone?

    The one & only dealer in the country is 500km away so I am trying to do the job myself...
    Nope... behind the prop where the pump shaft comes out of the pump. Check out the picture... part # 8-11-12-15... and possibly # 9... depending on it's condition after disassembly.
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  9. #9
    Golden Jet red fox's Avatar
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    Always i have a problem with this bearing on RXT !!!

    i don't know why ,,,, i replace it every 20 hours or 30

  10. #10
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    Quote Originally Posted by red fox View Post
    Always i have a problem with this bearing on RXT !!!

    i don't know why ,,,, i replace it every 20 hours or 30
    Wow... you have something going on that's causing this! Prop out of balance

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