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  1. #11
    I dream skis
    Join Date
    Jun 2006
    Location
    PA
    Age
    57
    Posts
    761

    Re: Help water in crankcase

    You didn't winterize in Canada? Was it stored in a heated space?

  2. #12
    PWCToday Newbie
    Join Date
    Nov 2016
    Location
    Ontario Canada
    Posts
    20

    Re: Help water in crankcase

    We just bought it in March, so, no i did not winterize. The seller said he did but maybe not done correctly.

  3. #13
    Frequent Poster
    Join Date
    Oct 2013
    Location
    Ohio
    Posts
    296

    Re: Help water in crankcase

    Before you take it all apart. Pressure test the engine to check for air leaks also. Then pressurize the water jacket t That way you might be able to avoid a complete disassembly. You can inspect the cylinder walls through the exhaust ports and get a look at the crank through the intakes with the reeds removed. This is a good place to have one of those endoscope cameras for your phone.
    2, 1998 TS 770 L, restored and running great. (Except for the one with engine that SBT put the WRONG crankshaft bearing into and is now sitting as I collect repair parts)

  4. #14
    PWCToday Newbie
    Join Date
    Nov 2016
    Location
    Ontario Canada
    Posts
    20

    Re: Help water in crankcase

    We have started making the exhaust block off plate out of plexiglass. With that on the water jacket can be pressurized.

    I have never done a pressure test for air leaks, not sure of the steps.

  5. #15
    Frequent Poster
    Join Date
    Oct 2013
    Location
    Ohio
    Posts
    296

    Re: Help water in crankcase

    The kit contains block off plates, and a pump. You need to make plates for the intakes, like you are for the exhaust, but they need to be tapped for fitttings, so you can pressurize the engine.

    This is the pressure test page from the service manual.pressure test.jpg
    2, 1998 TS 770 L, restored and running great. (Except for the one with engine that SBT put the WRONG crankshaft bearing into and is now sitting as I collect repair parts)

  6. #16
    PWCToday Newbie
    Join Date
    Nov 2016
    Location
    Ontario Canada
    Posts
    20

    Re: Help water in crankcase

    Ok, that is easy. Thanks.

  7. #17
    PWCToday Newbie
    Join Date
    Nov 2016
    Location
    Ontario Canada
    Posts
    20

    Re: Help water in crankcase

    I would guess this is our problem. The gasket between the 2 halves of expansion chamber had failed. Alowing lots of water into the exhaust. A part of this water would end up inside the engine.
    Attached Images Attached Images

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