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  1. #1

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    water leak at driveshat

    last year my brother gave me his 95 polaris slt 750 which had been beached for three years. after some tlc, we got it running and ran it a bit only to find it fills up with water. i have narrowed the leak to water coming in around the driveshaft. my brother said to be sure to fill the grease fittings with lots of grease as that is the water seal. it still leaks, how would i stop this leak? any help would be appreciated


  2. #2
    My guess would be that the seal itself needs to be replaced. Not too difficult to change and It's cheap, I would start there.

  3. #3
    Click avatar for tech links/info, donation request K447's Avatar
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    Welcome

    Beached for three years? As in sitting on the beach, at the water's edge?

    When you remove the jet pump and drive shaft (which you must do to service the through-hull bearings and seals), inspect the pump bearings for play. If it was me, I would be taking the jet pump apart, and likely replacing the seals and bearings in there too.

    See my signature links for more info on maintenance and things you should check and service.
    Last edited by K447; 08-29-2013 at 10:59 PM.

  4. #4

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    thanks for the direction, now where would one find directions for such maintains? The ski was at waters edge not in the water, and it was nicely covered. Starts and runs good till the water gets too heavy.

  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by merlin View Post
    ... where would one find directions for such maintains? ...
    http://polarispwcknowledge.shorturl....t-things-to-do

  6. #6
    CRJ's Avatar
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    midshaft seal 100%. mines bad and does the same thing, gotta order a seal, maybe ill do that tonight.. anyways, start there. its common on older machines.

  7. #7

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    Ok I got it all apart, and the drive shaft is showing wear under where the carrier bearing goes. Do I need a new drive shaft?

  8. #8
    Miglater's Avatar
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    Quote Originally Posted by merlin View Post
    Ok I got it all apart, and the drive shaft is showing wear under where the carrier bearing goes. Do I need a new drive shaft?
    If where it rides on the seals and bushings is not smooth when u run a fingernail over it or has any grooves or pitting it should be replaced or it will just wreck the new seals/bushings in short order. Example of bad.....Click image for larger version. 

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  9. #9
    1999-SLTX's Avatar
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    yup mine did same thing u don't keep them grease it will grove the shaft , sum say u can cut the rubber hose connector and make the seals ride on the smooth part of the shaft if needed to

  10. #10
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by 1999-SLTX View Post
    yup mine did same thing u don't keep them grease it will grove the shaft , some say you can cut the rubber hose connector and make the seals ride on the smooth part of the shaft if needed to
    All depends on how badly the drive shaft surface is damaged.

    Localized minor groove wear can be offset by trimming the rubber tube section slightly shorter. Just enough to ensure the new seals will ride on a smooth and undamaged portion of the drive shaft.

    If the damage is too extensive, then the driveshaft should be replaced.

    Note that there are two metal bushings inside the through-hull carrier. If these are worn then they must also be replaced. Unworn bushings have a snug, no wobble fit onto the drive shaft.
    Last edited by K447; 08-31-2013 at 11:48 AM.

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