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Thread: ltr 450 motor problem

  1. #1
    Dillon Gleeson #17 Dillon 17's Avatar
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    Default ltr 450 motor problem

    So here is the story, I don;t know whats wrong. I had to rebuild my motor because it blew up at the dunes. I put it back together and the cam locked up in the head before I even rode it down the street. I bought a brand new head and put it back together for the second time and started it up. after it started I drained the oil and found out that there was coolant leaking into my oil. Rudy at dfr said that my head gasket probably wasnt sealing right so I took it apart for a third time and put it back together with brand new gaskets again this morning and it started, but the oil is filled with water again

    Does anyone have any idea what could be going on? Ive tried everything I can think of.

  2. #2
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    Need to sell it and buy a honda
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  3. #3
    Senior Member quadcrazy's Avatar
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    water pump seals???
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    Senior Member brent701's Avatar
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    The right case has a seal/gasket that seals the oil/coolant from each other. lt me see if i can get a pic right fast from one of my dead engines
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  5. #5
    Senior Member brent701's Avatar
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    Ok, This is the right Case gasket. I am pointing the screw driver in between the Coolant(left round hole) and the Oil (Right long hole). If You had the case apart. that could be it. Or it may be bad.

    2010 Honda CBR1000RR Orange/Silver. New toy

    2005 Honda TRX450R .. was fun..

  6. #6
    Senior Member brent701's Avatar
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    Quote Originally Posted by Phillips#89 View Post
    Need to sell it and buy a honda
    Or do what he said
    2010 Honda CBR1000RR Orange/Silver. New toy

    2005 Honda TRX450R .. was fun..

  7. #7
    Dillon Gleeson #17 Dillon 17's Avatar
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    Quote Originally Posted by Phillips#89 View Post
    Need to sell it and buy a honda
    Thats what I'm going to do but i need to get this running so I can sell it

  8. #8
    Dillon Gleeson #17 Dillon 17's Avatar
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    I guess I'll just replace the water pump seals and that gasket to make sure I get this problem straightened out. I've had this thing apart and put back together three times already on this build.

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