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  1. #1
    SideFX's Avatar
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    Question New impeller not fitting, should I grind?

    Need some help here as the Solas impeller I am trying to attach is rubbing on the inside edge of the pump just as it reached full seat depth.

    Can I add a washer/spacer to the area on the spacer at the shaft or use a grinder and clip each tip of the impeller short. (& how accurate would I have to be not to upset the balance)

    Thanks in advance
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  2. #2
    SPEED KILLS, BUT YOU GET THERE QUICKER Keddano's Avatar
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    You can shim it with a spacer.I have one prop that was cut back for a matching stator,to use it on a regular stator,I just shimed it. I wouldn't trim the prop unless it can be done on a lathe.

    Second thoughts.......did you check the thickness of the spacer that came with my shaft vs the one you took out?

  3. #3
    SideFX's Avatar
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    I'll answer here in the event someone else needs this at some point.
    They were the same and it still catches.
    I'll check with the local marine shop tomorrow and see if he has a shim of some type.

    Many thanks for helping out

  4. #4

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    i think you need a new spacer , a buddy of mine actually played around with 3 spacer till he got it right on his sl 1050

  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Keddano View Post
    ...did you check the thickness of the spacer that came with my shaft vs the one you took out?
    Quote Originally Posted by SideFX View Post
    ...They were the same and it still catches...
    Are all Polaris impeller spacers the same length, or is there more than one actual 'size'?

    I seem to recall there was more than one part number for the spacer, but I do not recall what models or years were 'different'.

  6. #6
    PolarisNut's Avatar
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    You need a longer spacer for those impellers, due to the way the stator vanes are cut. The OEM Polaris impellers have a tapered trailing edge to match the stock stators.

  7. #7
    The closer you keep the impellor to the pump veins the better thrust you will have. If all that is hitting the pump stator is the very tip of the impellor then I would just file a small radius on the impellor outside edge just so it does not hit the stator. Mark the radius and cut all three edges the same.
    Also remember that when the impellor is this close and you pickup any kind of foreign object and it runs thru the pump it will damage the pump or impellor most likely. Polaris cut several of the props for different clearance for rocks, that's why you may see a number after the description give's the clearance between the prop and the pump vein.


    Automotive Valve spring's, shim washer's, will work on this, to shim it, if you decide to go that route

    This is a good topic about the clearance between the impellor and the stator and I would enjoy hearing about thoughts you guys have on this subject


    prochamp
    Last edited by prochamp; 08-26-2008 at 11:38 AM.

  8. #8
    Connecticut CrazyA's Avatar
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    Quote Originally Posted by K447 View Post
    Are all Polaris impeller spacers the same length, No or is there more than one actual 'size'? yes

    I seem to recall there was more than one part number for the spacer, but I do not recall what models or years were 'different'.
    /

  9. #9
    Connecticut CrazyA's Avatar
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    Quote Originally Posted by prochamp View Post

    This is a good topic about the clearance between the impellor and the stator and I would enjoy hearing about thoughts you guys have on this subject


    prochamp
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    Last edited by CrazyA; 08-30-2008 at 07:14 AM.

  10. #10
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by K447 View Post
    Are all Polaris impeller spacers the same length,
    or is there more than one actual 'size'?
    Quote Originally Posted by CrazyA View Post
    Are all Polaris impeller spacers the same length, No
    or is there more than one actual 'size'? yes
    What are the sizes, or models that have different spacers?

    Part numbers?

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