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Thread: Should I replace the impeller?

  1. #1
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    Default Should I replace the impeller?

    I picked up a 2006 Yamaha F4 4HP from a friend. He bought it new and used it very little over the years. I have tested on my freighter canoe and it runs great. I am planning a very long, remote trip soon.

    Question: should I replace the water pump impeller before I go?
    The local dealer says it should be done to avoid failure and engine damage. He wants $300 for the job. I am looking for 2nd opinions on whether this makes sense.

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    Member Frostbitten's Avatar
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    Quote Originally Posted by bhunts View Post
    I picked up a 2006 Yamaha F4 4HP from a friend. He bought it new and used it very little over the years. I have tested on my freighter canoe and it runs great. I am planning a very long, remote trip soon.

    Question: should I replace the water pump impeller before I go?
    The local dealer says it should be done to avoid failure and engine damage. He wants $300 for the job. I am looking for 2nd opinions on whether this makes sense.
    Replacing it makes perfect sense...paying someone $300 to do it makes no sense at all.

  3. #3
    Moderator stid2677's Avatar
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    I replace mine every season, takes less than 30 minutes and is very EZ to do.

    Here is a youtube video of a 25hp. but they all are very similar.

    http://www.youtube.com/watch?v=n68sb...eature=related

    Use the money you save to buy a cold one.

    Steve
    "I refuse to let the things I can't do stop me from doing the things I can"
    Founding Member
    http://www.residenthuntersofalaska.org/

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    replace the impeller your self , on a long trips you should have a compleat water [pump] extra with you,
    an have at least one extra prop if not 2, you will get to change props a little as to the river you travel ,
    a prop will work as long as it has all the blades not the best but it will work, a new prop for deep water an as you get to the smaller rivers go to a worn prop as you will not be going real fast in the small rivers but you will grind up the prop a lot

  5. #5

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    Question: should I replace the water pump impeller before I go?
    Yep. Especially if you've never laid eyes on it yourself. Once a year is good insurance. I sometimes cheat and go a couple of years but then I'm the one that put it in. They take a 'set' and the vanes dry out and crack.

    The local dealer says it should be done to avoid failure and engine damage. He wants $300 for the job. I am looking for 2nd opinions on whether this makes sense.
    It's just a 30 minute job with a with 2 or 3 box end wrenchs and a screwdriver. Buy the Clymer manual for $30 and another $20 for the new impeller and save yourself $250. Really no more difficult than changing a tire on a vehicle.
    Zack

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    Thanks for the good advice. I will get on it. Any suggestions for online parts sources?

  7. #7

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    All kinds of internet sources in the states, I can't say for Ontario but it's probably the same. Do a web-search. As many lakes as there are in the parts of Ontario I've been in there might be some Yamaha/Mariner dealers close to you. Seems like any more one dealer either carries or can get parts for most brands of outboard. Zack

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    My local dealer has a habit of over-charging. Really ridiculous prices. I'll go online to compare.

  9. #9

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    http://www.iboats.com/Yamaha-Outboar...view_id.268912
    I've bought small parts from these folks, they're quick shippers and reasonable. Don't know how it'd be there in Ontario.

  10. #10

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    Quote Originally Posted by bhunts View Post
    Any suggestions for online parts sources?
    Amazon of all places sells impellers. Just ordered one for a little Merc I've got. They've got used Seloc and Clymer boat motor manuals too. Zack

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