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  1. #1
    Join Date
    Jun 2016
    Posts
    26

    Default Impeller replacement

    Just curious how often is everyone changing their impeller yearly or bi yearly
    13 moomba mobious

  2. #2
    Join Date
    May 2009
    Location
    North End Lake Lanier GA
    Posts
    8,155

    Default

    You should replace yearly, but honestly I replace mine at 100 hours, I don't always hit that. You could stretch to 200hr but I have heard several stories of impellers self destructing at 300hr.
    Malo <--- Means--Evil or Mean One. This explains a lot.
    2013 Mojo 2.5 Skylon Tower. Bestia < Beast >
    [COLOR="#696969"]

  3. #3
    Join Date
    Mar 2003
    Location
    Springfield Missouri
    Posts
    3,391

    Default

    When needed. It is inspected when winterized and replaced when I see cracks or pieces missing. I also carry a spare in the boat. The impeller serves no purpose except at low speeds.
    1998 Mobius
    310 HP PCM
    SOLD

  4. #4
    Join Date
    Jan 2006
    Location
    Jacksonville, FL
    Posts
    608

    Default

    I just replace it at the beginning of every summery when I change my oil. They are only about $30. Why not have that piece of mind.

  5. #5
    Join Date
    Jun 2016
    Posts
    26

    Default

    Yeah I replaced mine during the annual service last spring maybe put 50 hrs on but the shop I take it to charges upwards of 200 just to replace the impeller
    13 moomba mobious

  6. #6
    Join Date
    May 2009
    Location
    North End Lake Lanier GA
    Posts
    8,155

    Default

    Quote Originally Posted by zabooda View Post
    When needed. It is inspected when winterized and replaced when I see cracks or pieces missing. I also carry a spare in the boat. The impeller serves no purpose except at low speeds.
    I did not know this, since its connected to the Crankshaft it always spins the same RPM as the engine.

    I know on the Mojo engines this is a serious pain to replace. On the 345 Surf engine its almost dead even with the muffler and is very difficult to replace. Once I go through all the trouble of removing it, I just install a new one LOL.

    On the LSV it was a lot easier, and I just replaced it each winter.
    Malo <--- Means--Evil or Mean One. This explains a lot.
    2013 Mojo 2.5 Skylon Tower. Bestia < Beast >
    [COLOR="#696969"]

  7. #7
    Join Date
    Jan 2008
    Location
    Tallahassee, FL
    Posts
    14,071

    Default

    We get around 45-60 hrs./year so I replace every other year or about 100 engine hrs. Always keep a spare on board. Most recent one was missing a fin when I removed it.
    My Mom said I'm not allowed to get wet!
    2008 LSV (sold)
    2000 Outback LS (sold)
    LLTR!!!!!!!!



  8. #8
    Join Date
    Oct 2008
    Location
    Central, Arkansas
    Posts
    847

    Default

    A new one every spring.
    2014 Mojo Surf
    2013 Mojo Sold
    2010 LSV Sold
    2002 OB LSV Sold

  9. #9
    Join Date
    Nov 2011
    Location
    Wichita,Ks
    Posts
    279

    Default

    I change mine every other year. There has been summers I put over 100 hrs on the boat and never had a problem.
    Rick
    2002 Moomba Mobius V

  10. #10

    Default

    Every year whether I put 10hrs or 70hrs on it. Had one grenade on my tige in the middle of lake havasu years back and spent hours on the water removing the trans cooler to get all the little bits out. Made a promise to myself that day that I'd replace it every spring. They're too cheap not to.

    Sent from my SM-G930V using Tapatalk
    2007 Mobius LSV

    Tow Vehicle 2003 F250 6.0 PSD

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