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  1. #1

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    Copper flakes in oil filter

    Took my RXP out for a ride yesterday, all was fine until i made a WOT pass then shit hit the fan. Got a rattling noise at 4000 RPM and above. Towed it to shore, hull was full of water Checked the oil, not milkey or anything like that, checked the filter and quite a lot of copper flakes in there. So Iám just double checking, big end or main bearings are gone?


  2. #2
    mac_man_luke's Avatar
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    Maybe your prop unscrewed, pushing your crankshaft and destroying your thrust bearing.

    Being copper is certainly bearing material of some form!

  3. #3
    Boost addict hotbird's Avatar
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    Quote Originally Posted by mac_man_luke View Post
    Maybe your prop unscrewed, pushing your crankshaft and destroying your thrust bearing.

    Being copper is certainly bearing material of some form!
    I hope that's not what happened. I just had that happen to me about a month ago.
    Take a look at the pictures.
    http://www.greenhulk.net/forums/showthread.php?t=176775

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  5. #4
    suck my wake's Avatar
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    Copper flakes means bearings!!! No matter what you need to pull the motor and split the cases!!!!!!!!!!!! The thrust bearings are not copper so it's probably rod or mains

  6. #5

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    Alright, let the madness begin! Thanks fo the answers. Any ideas where the hell all the water came from ?

  7. #6
    If your prop came unscrewed, then it pushes the driveshaft forward so the carbon seal has no tension, so the water leaks in there.

  8. #7
    o uncola o's Avatar
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    It is not going to be the thrust bearings.

    I agree with suck my wake. Time to yank that motor.


  9. #8

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    Spun a rod bearing, crank is shot. Anybody got a crank for sale? Is it the same crank for all 4-tec 1503 engines?

  10. #9
    2003-2005 cranks are the same, 2006+ cranks are the same. Look at the sticky at the top of the page to learn the difference.

    It would be a good idea to try to understand why you spun the rod. How do the oil pumps look?

    PS: I have a good 2006+ crank for sale, PM me if interested.

  11. #10

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    Oil pump pics

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