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  1. #1
    nunnink23's Avatar
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    huge water leak, jet ski from hell!

    Well this is officially satins jet ski, since I've spent 1800 dollars fixing it since I bought it 2 months ago, but anyway, now the only issue is that it loads up at idle, but besides that after an hour of riding this weekend I checked for water and there was water up to the carburetors, gp1200r 2001 btw. But anyway I just had the pump out rebuilding it and the new intermediate shaft, and its always leaked a little water but not like this, so here's what I need to know, 1. How do I know my siphon bilge is working? Its not clogged but I don't know how to test it, 2. Where should I start to look for water leaks? It appears to be from the intermediate shaft bearing but I was told you don't need silicon on that flange. And 3. Can water come in thru a bolt missing on the ride plate because its got a stripped hole?


  2. #2
    crashhard's Avatar
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    easiest way to do it, make sure all water is out. Go to the water and put in with the seat off. With a flash light look around, have your battery box bolts out to look back there. If you see nothing after 20 min, Then start it and see if the water is coming in under power off a hose or something. Thats where you want to start, dont start guessing it will drive you crazy.

  3. #3
    Moderator OsideBill's Avatar
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    I pulled mine out full of water and just let it set, and looked underneath for where it came out. Mine was the intermediate shaft. with water in the hull and the ski on the trailer is it leaking out through the ride plate bolt hole? BTW a bilge pump is only $50 and a good investment, I never rely on the stock bilge.

  4. #4
    nunnink23's Avatar
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    i wasnt aware anyone had a kit, although i could make one. and i think i saw mine comming in only when it was running, from the intermediate shaft bearing.

  5. #5
    nunnink23's Avatar
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    and will water come in through one hole that i didnt put a bolt in for the ride plate? because its stripped

  6. #6
    maxadrenaline's Avatar
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    Quote Originally Posted by nunnink23 View Post
    and will water come in through one hole that i didnt put a bolt in for the ride plate? because its stripped
    YES

  7. #7
    L Carlson's Avatar
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    Quote Originally Posted by maxadrenaline View Post
    YES

  8. #8
    L Carlson's Avatar
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    Put water in the hull and tip the ski up you will find out all your problem areas. Put the rear drain plugs in and then you can get to work on your leaks

  9. #9
    All hail the Chief! fullboogie's Avatar
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    The most likely causes based on my experience are:

    1 - exhaust coupler leak near the stinger

    2 - coupler leak on the water box or hull exit

    3 - mid shaft hose leak

    4 - cooling line leak from the rear of the hull to the exhaust manifold

    5 - and believe it or not, the flush hose where the metal crimp connector secures the plastic coupler on top.

  10. #10
    WATER WOODY's Avatar
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    Here is a thread i started with some good info, add this to what the guys have listed so far.
    http://greenhulk.net/forums/showthread.php?t=44049...

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