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Thread: Overheated

  1. #1
    JayDog's Avatar
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    Overheated

    Had to leave the spark tied to a mangrove at someone's house. After a long day we're headed back and next thing I know I hear a long steady beep. We hit a sandbar and sucked up a bunch of mud. Anything I should do before starting it tomorrow. I'm hoping it was just mud. That overheated exhaust warning has me nervous.


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    Been around for years...seen it all Kawi-Guy's Avatar
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    You hit the sandbar because the beep distracted you ? Or are you telling the events in reverse order ....?

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    Work Harder, Millions on Wellfare Depend On Us! ultramaxracing05's Avatar
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    Check for any melted hoses, couplings in the exhaust area, specially look at the plastic resonator.
    But if it was nothing major you are all good.

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    JayDog's Avatar
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    My brother in law was actually driving my ski. We hadn't noticed how low the water was. Once the warning came on he said it was saying exhaust temperature. So I jumped off his ski to push them to shore. But my foot went down in the mud about a foot and a half. He said my ski had no power, hope fully it was just mud and know real damage. After that is when the owner of the house we left the skis at told us that whole are was a sand bar. Going back in the morning.

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    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by ultramaxracing05 View Post
    Check for any melted hoses, couplings in the exhaust area, specially look at the plastic resonator.
    But if it was nothing major you are all good.
    I do not know the Spark cooling system. That said;

    If heavy mud got pumped into the cooling system, are there places inside the raw water cooling flow loop where mud/silt could have settled or clogged? If the outside water cooling flow is blocked with mud, not good.

    Does the Spark have a water injection orifice to cool the exhaust gases? If so, can that be checked for blockage?

  6. #6
    Spark is closed loop, so it would have to be the exhaust

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    JayDog's Avatar
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    Okay here's the update. We went back to pick up the skis. I tilted it to clean out any mud. Pushed it out to clean water. Once started it would only go in reverse. So I just cut it left it next door to where I was. They had a boat ramp. Once I got home I noticed the IBR was disconnected and stuck in reverse. Looks like every thing else is fine. I'm gonna take it to the dealer and have them put it back on.

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    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Wire4Money View Post
    Spark is closed loop, so it would have to be the exhaust
    Isn't there a heat exchanger with raw water flow?

  9. #9
    Quote Originally Posted by K447 View Post
    Quote Originally Posted by Wire4Money View Post
    Spark is closed loop, so it would have to be the exhaust
    Isn't there a heat exchanger with raw water flow?
    Yes-it's that big metal chine on the bottom of the hull. Can't clog that

  10. #10
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Wire4Money View Post
    Quote Originally Posted by K447 View Post
    Quote Originally Posted by Wire4Money View Post
    Spark is closed loop, so it would have to be the exhaust
    Isn't there a heat exchanger with raw water flow?
    Yes-it's that big metal chine on the bottom of the hull. Can't clog that
    I just recently read some info on the SeaDoo SaR model, was probably thinking of that.

    http://watercraftjournal.com/videos-...tion-pwc-2014/

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