SBT Jetski Engines, Parts & Accessories

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  1. #1
    Joined
    Mar 2002
    From
    Geelong, Australia, Near
    Posts
    272

    Post

    Hey ppl @ SBT.

    I am pressure testing my seadoo 800 cooling system, and it has a very slow leak. I am trying to find it. About 1psi per 30sec.

    My question is, whats the most common cooling system leak? Or is it always something different. And the SD manual says to put loctite 242 under the cylinder head bolts, is this an area that can leak in the cooling system pressure test, ie: why they say to use the loctite?

  2. #2
    Joined
    Feb 2001
    From
    Clearwater, FL
    Posts
    7,358

    Post

    There really isn't a real common place, but check your head first.

  3. #3
    Joined
    Feb 2001
    From
    Glendora, Ca.
    Posts
    5,204

    Post

    Yes water can go up alongside of the bolts and leak from under the flat shoulder on the heads of the bolts. Spray soapy water onto them and look for bubbles while under pressure.
    Bill O'Neal WCM
    <a href="http://www.watercraftmagic.com" target="_blank">www.watercraftmagic.com</a>

  4. #4
    Joined
    Aug 2002
    From
    Waterville, Washington
    Posts
    1,390

    Post

    97 XP.. I have a leak from one of the water fittings that run off the block for the engine drain hose...will this hurt anything other than a little water in the hull, it's not leaking bad. It's just a pain to get to and if i can get by without replacing it that would be cool.

  5. #5
    Joined
    Mar 2002
    From
    Geelong, Australia, Near
    Posts
    272

    Post

    Thanks guys, will get back to you about where the leak is!! You two, Bill and Bryan are unreal, so helpful. Its nice to know there are people out there that care!!

    Thanks Dudes!!

  6. #6
    Joined
    Feb 2001
    From
    Clearwater, FL
    Posts
    7,358

    Post

    Steve - you can easily sink your ski or ingest water if that leak gets worse...don't chance it.

  7. #7
    Joined
    Aug 2002
    From
    Waterville, Washington
    Posts
    1,390

    Post

    thanks bryan.. will that one section of exhaust come out of there without shifting the motor to the side so i can access that water fitting easier?

  8. #8
    Joined
    Feb 2001
    From
    Clearwater, FL
    Posts
    7,358

    Post

    I don't know - never tried.

  9. #9
    Joined
    Aug 2002
    From
    Waterville, Washington
    Posts
    1,390

    Post

    thanks anyways bryan...i guess i got all winter to monkey with it.winter sucks, wish i lived in Florida

  10. #10
    Joined
    Feb 2001
    From
    Glendora, Ca.
    Posts
    5,204

    Post

    Steve,
    First remove the head pipe, then the two support bolts that hold the midpipe/cone to the cases. You should be able to move the pipe enough to get to the water fitting. Put a clamp on it insead of the tye-wrap. Cut the hose back an inch first to get some new hose onto the fitting. No need to move the motor.
    Bill O'Neal WCM
    <a href="http://www.watercraftmagic.com" target="_blank">www.watercraftmagic.com</a>

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