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  1. #11
    Join Date
    Sep 2017
    Location
    Hanover, VA
    Posts
    91

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    WD-40 and a paint can opener pops it right out.
    2018 Moomba Mojo

  2. #12
    Join Date
    Mar 2019
    Posts
    2

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    First year owning the boat so replaced mine this fall...couldn’t get the impeller slipped out so unbolted the entire pump (3 Allen bolts on engine pulley and 1 on the “holder”)


    Sent from my iPhone using Tapatalk

  3. #13
    Join Date
    Sep 2005
    Location
    Claytor Lake, VA
    Posts
    501

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    I also found removing the entire pump easier and allows more room to get a grease gun on the rudder zerk fitting. I use 303 to free the impeller, coat it in Vaseline and put it in a zip lock for the winter.
    2005 Mobius LSV
    325 EFI

  4. #14
    Join Date
    Oct 2010
    Location
    Lake Wylie NC Area
    Posts
    2,139

    Default

    coat it in Vaseline and put it in a zip lock for the winter.
    I would highly advise against coating an impeller in a petroleum based grease. if you feel the need to coat it in anything, say to keep it from "drying out", for storage, use 100% silicone.

  5. #15
    Join Date
    Apr 2013
    Location
    Knoxville TN
    Posts
    1,372

    Default

    Quote Originally Posted by MLA View Post
    I would highly advise against coating an impeller in a petroleum based grease. if you feel the need to coat it in anything, say to keep it from "drying out", for storage, use 100% silicone.
    I think when you buy the ballast impeller kits they come with a small tube of glycerin grease, but I do not recall ever viewing that in a big box store, but you can find silicone multi purpose water repellent grease.
    2018 Supra SL400

  6. #16
    Join Date
    Sep 2005
    Location
    Claytor Lake, VA
    Posts
    501

    Default

    I've used both Vaseline and silicone grease and didn't see any difference in impeller life. Main benefit of removing the impeller from the pump is to relax the fins.
    2005 Mobius LSV
    325 EFI

  7. #17
    Join Date
    Oct 2010
    Location
    Lake Wylie NC Area
    Posts
    2,139

    Default

    Quote Originally Posted by MJHSupra View Post
    I think when you buy the ballast impeller kits they come with a small tube of glycerin grease, but I do not recall ever viewing that in a big box store, but you can find silicone multi purpose water repellent grease.
    Likely do, for the initial installation. But most would likely not have any left for coating and storing a removed impeller at the end of season.

  8. #18
    Join Date
    Oct 2010
    Location
    Lake Wylie NC Area
    Posts
    2,139

    Default

    Quote Originally Posted by VA LSV View Post
    I've used both Vaseline and silicone grease and didn't see any difference in impeller life. Main benefit of removing the impeller from the pump is to relax the fins.
    I understand the thoughts for pulling it. The concern is that petroleum based products can deteriorate and swell the impeller material, if its not designed for constant contact with that type of grease.

  9. #19
    Join Date
    Sep 2005
    Location
    Claytor Lake, VA
    Posts
    501

    Default

    Quote Originally Posted by MLA View Post
    I understand the thoughts for pulling it. The concern is that petroleum based products can deteriorate and swell the impeller material, if its not designed for constant contact with that type of grease.
    Been doing it this way for 14 seasons with no swelling or deterioration.
    2005 Mobius LSV
    325 EFI

  10. #20
    Join Date
    Sep 2005
    Location
    Claytor Lake, VA
    Posts
    501

    Default

    Remove impeller, coat with a thin film of Vaseline and store in an airtight bag is part of the winter layup procedure in the Indmar manual that came with my boat.
    2005 Mobius LSV
    325 EFI

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