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  1. #1

    Cool stx 900 tripie water in cylinder

    I rebuilt top end and took it to the lake ran good at first. then started to feel like it was'nt getting full power took it to the shore and the number one cylinder had water in it.what can cause that.thank you


  2. #2
    john zigler's Avatar
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    Probably a blown head gasket. Did you re-torque it after heat cycling the motor? Was it checked for warpage? What caused the original engine failure, and was this addressed?

  3. #3
    no Idid not retorque the head .ran at the lake ounce is it to late to retorque.

  4. #4
    steve45's Avatar
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    Have you gotten the water out yet? That's the first thing.

  5. #5

    1998 stx 900 triple

    yes I did dry the cylinder out.and took the motor out and put new exaust gaskets on cylinder. and that sticky stuff for the gasket.now I'm putting It back in the jet ski.and retorqing head.anymore suggestions on the water in the cylinder. thank you sincerley jaycheek

  6. #6
    steve45's Avatar
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    How long has it been since it got the water in it?

    Water in the cylinder isn't that big of a problem, water in the crankcase is. It can start rust forming on the crank and bearings in a day or so.

  7. #7

    1998 stx 900 triple

    It's been about one week ago.

  8. #8
    steve45's Avatar
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    Quote Originally Posted by jaycheek View Post
    It's been about one week ago.
    Uh-oh. That's not good. I don't think a blown head gasket guarantees water in the crankcase, but I'd sure be worried about it.

    If it were mine, I'd pull the intake manifold/reeds off and take a look at the crank bearings. It would be better to pull the cylinders, but this may tell you if you need a new crank or not.

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