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  1. #1

    Performance plumbing and waterbox

    I think 3 things need to be addressed.

    plumbing to exhaust manifold and IC seperated for pressure and flow reasons for cooling. (this is being worked on...)

    waterbox water levels for out of hole performance....

    water bypassing....


    I really don't understand the water bypassing so does water not need to be in the waterbox. If not how about this a valve that opens when the pressure exceeds 15-20psi. It would be an inline relief pressure valve. I read about them over here http://www.eng-tips.com/viewthread.c...=158414&page=6.

    This would keep the waterbox empty at idle and just open up the cooling lines when you starting gassing it. Does the engine need the water at idle ?


  2. #2
    Kinch, for starters, that waterbox needs to be cooled...or the plastic cover will def melt...PR...

  3. #3
    Gotta love this sport! 05Limited's Avatar
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    Quote Originally Posted by Pale Rider
    ...that waterbox needs to be cooled...or the plastic cover will def melt...
    It certainly will
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  4. #4

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    05Limited...I had the same thing somewhat happen. However only one end melted. It also appears that one of my baffles is burnt out and in pieces within the waterbox/muffler. Did the same thing happen to you? What caused your problem?

  5. #5
    Gotta love this sport! 05Limited's Avatar
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    Quote Originally Posted by North49 View Post
    ...What caused your problem?
    A large plastic garbage bag

    This was my friends ski and he was trying to clear his pump by jazzing the throttle. He had no way of knowing the severity of the blockage. The overheat alarm finally went off and he shut it down to let it cool. He waited several minutes and tried again... never received another alarm right up to the point of the rubber insulation CATCHING FIRE! As luck would have it, the wires to the overtemp sensor had melted off... hence, no alarm.

    He is up and running once again... sans the rubber insulation

    Jeff

  6. #6

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    oddly enough I never had an alarm and physically the sensor and wires look fine.

  7. #7
    i had the same problem with baffle in pieces and waterbox cover melting.....what did yuou have to do to fix the baffles and/or waterbox, please reply soon, i hope to back on the lake this memorial day wknd!!!

  8. #8
    seadoor's Avatar
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    you have to cool the waterbox too dry melted all the plastic baffle and the motor too

  9. #9
    HOSS's Avatar
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    When my hi temp goes off and the ski is in lymph I NEVER shut it down. Let it run so water is cooling the exhaust system.

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