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Thread: 496 HO water pump

  1. #1
    3queens
    has anyone used the product that is being sold as a repair kit for these
    comes with spacer plates and how to do it.they claim easy to do
    :idea: sounds good but grinding off a part of water pump has me nervous

  2. #2
    Todd969
    Don't!!!!!!!!!!!!!!!!!!!!!!!!!!
    Just spend the money and fix it with Merc parts.
    How do I know? I had a kit done and it lasted about 3 months. The repair place had put JB weld in it to smooth the grooves. Lesson Learned..... Do it right the first time.
    http://i142.photobucket.com/albums/r...9/101_2230.jpg
    http://i142.photobucket.com/albums/r...9/101_2229.jpg

  3. #3
    3queens
    why hasn't enyone come up with a fix for these water pumps. it's crazy the wear on these with only 20hrs on it when i did the first pump. i know i will be buying a whole unit this year by the looks of it at the begining of this season. if i recall right there was a artical about a co. in one of my boating subz

  4. #4
    Todd969
    I went 2 years before needing it fixed. During my second service the shop suggested the kit. Needless to say they aren't working on our boats now.

  5. #5
    frosted tips
    why hasn't enyone come up with a fix for these water pumps. it's crazy the wear on these with only 20hrs on it when i did the first pump. i know i will be buying a whole unit this year by the looks of it at the begining of this season. if i recall right there was a artical about a co. in one of my boating subz Hey guys try a k/e strainer they work great .Youll be amazed how much crap youll see in a day of use.:idea:

  6. #6
    Todd969
    Hey guys try a k/e strainer they work great .Youll be amazed how much crap youll see in a day of use.:idea:
    I've thought about that...

  7. #7
    CoolCruzinCobra
    I have apx 50 hrs on my engine (496) .
    When is it necessary to do a repair.?
    todd969 how many hours on the picture of the water pump shown?

  8. #8
    Beer-30
    I have apx 50 hrs on my engine (496) .
    When is it necessary to do a repair.?
    todd969 how many hours on the picture of the water pump shown?
    Every other year or 100 hours is quite safe - unless you stick the outdrive in sand often.

  9. #9
    Todd969
    I have apx 50 hrs on my engine (496) .
    When is it necessary to do a repair.?
    todd969 how many hours on the picture of the water pump shown?
    I have the impeller changed annually, regardless of hours. Usually,not always the tech can tell if you need a pump by the impellers condition.
    Every other year or 100 hours is quite safe - unless you stick the outdrive in sand often.
    Very true. Havasu tends to be a little worse if you beach a lot. I know people that have gone thru 2 impellers and a pump in 1 season.

  10. #10
    Todd969
    While we're on this subject MAKE SURE your tech pulls the drive. Here's what Throttles Cobra's bellows"sp?" looked like.
    http://i142.photobucket.com/albums/r...9/101_2228.jpg

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