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  1. #11
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by beerdart View Post
    The older ones have the seals crimped in and are made from a casting.
    The newer ones you can replace the seals and are made from billet.
    Both you can change the grease fitting it is a standard grease thread.
    So there are actually three kinds;
    The original 1992 only version (with needle type grease fitting)
    1993-1995, with crimped ends, needle grease fitting
    1996-2004 with replaceable seals, Zerk grease fitting

    Have I got this right?


  2. #12

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    I have a bearing from a 750 coming from shaneG, that i am giong to use in my 780. Starflight said it would work, so as far as i know they are all inter changeable

  3. #13

    Smile

    wsm makes an aftermarket for them also,jmho>Marvin

  4. #14
    Resident electronics hacker UnityRacing's Avatar
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    Back from the dead.
    Wanting to replace my carrier bearing housing, and it seems the newer part 1341145 is no longer available.
    Is the older housing worth using? Switch to WSM unit with roller bearings instead?
    Looks like the PTO cover cannot be used with the WSM at all, and the older Polaris housing requires modification to use the cover?

    Confused here as to which one to order.

  5. #15
    Click avatar for tech links/info K447's Avatar
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    John says the coupler cover can be modified to fit onto the WSM steel bearing housing.

  6. #16
    Resident electronics hacker UnityRacing's Avatar
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    I really don't see how thats physically possible. Look at it.

    I'm ok with not using it, if the WSM is a better seal.

  7. #17

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    Quote Originally Posted by K447 View Post
    John says the coupler cover can be modified to fit onto the WSM steel bearing housing.
    I would ask to see very detailed instructions on how to do that. The WSM bearing housing has absolutely no provision whatsoever for the drive coupler cover. I was going to use a WSM bearing housing but ended up returning it because mounting the cover solidly was pretty much impossible. My early model bearing housing has replaceable seals and grease fitting, but has a large, one-piece bushing that does not allow for good grease flow into the housing. The later model bearing housings have replaceable seals, bushings, and grease fitting, and the separate bushings allow for much easier lubrication, IMO. Weber Power also has a very nice and convenient rebuild kit available for the later model bearing housing that includes seals and bushings. Unless your bearing housing has suffered some physical damage, it can just be rebuilt.

  8. #18

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    Quote Originally Posted by beerdart View Post
    Polaris will sell you just seals for the housing but they are a little expensive, IMO.

  9. #19
    Resident electronics hacker UnityRacing's Avatar
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    My housing has seen better days. I want to replace it while I have the pump out.

    Might just go with WSM. I like how it has actual bearings and will align true to the driveshaft. I was more worried about water getting in and destroying the bearings, but I cannot find any reports online about that. So I guess so long as its kept greased, it should be good.

  10. #20
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by UnityRacing View Post
    My housing has seen better days. I want to replace it while I have the pump out.

    Might just go with WSM. I like how it has actual bearings and will align true to the driveshaft. I was more worried about water getting in and destroying the bearings, but I cannot find any reports online about that. So I guess so long as its kept greased, it should be good.
    Good condition used Polaris bearing housings are not hard to find, nor expensive.

    The bushings and the seals can be replaced by Polaris OEM or generic seals and bushings.

    The OEM Polaris bushings are sintered metal (brass/bronze?) impregnated with Teflon. In addition to the injected grease, the bushing itself has the interesting property that friction heat will cause the Teflon to expand inwards and relubricate the working surface. So it is somewhat self-healing, even when abused and not properly lubricated.

    The seals are inexpensive enough that changing them every couple of years is not a big deal.

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