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  1. #1

    Join Date
    Jul 2011
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    93 sl750 94 sl 650 thermostat elimination

    my question is why do i need a thermostat in my jet ski cant i just remove it and keep cool water flowing constantly through my motor?


  2. #2
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Oct 2006
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    Cleveland OH
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    You can remove it, but it's there to regulate temps when actually at low speed or idle.

    At WOT, the pop off valve opens and allows full water flow to cool the engine.

    Why? Whats going on that you want to remove the thermostat?

    And Welcome to the Hulk.

  3. #3

    Join Date
    Jul 2011
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    Detroit Lakes, MN
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    the motor seems to be getting warmer than my 94 i was adjusting the idle and burned my thumb on the front cylinder... also i have seen video of where they removed the water bar from the top cylinders and installed custom water lines to see the water eject out the back of the ski not sure how they would do that with the thermostat installed

  4. #4
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    You burnt your thumb on the MAG cyl in the water and running?

    If so, I would think all the cyls should be hot if the thermostat was bad.

    If it's just the MAG cyl, you have a water restriction somewhere.

    Yes, the thermostat gets removed if you install "pissers"

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