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  1. #1

    Help.. Polairs SLTX 1050 exhaust hose melting

    hey guys,

    My hose running from my water box out into the back of the hull. Well I ran it yesterday, and it got soo hot it started to melt...

    What could cause this? ?


    Also, I read that group K, reccomended removing the themostat and pop off spring and plunger. Has anyone else done this?


  2. #2
    Lake Mead Bum & BTLS Mark starflight's Avatar
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    Check pg 342 in the 92-98 manual. It describes cleaning the strainer and oriface that feeds cooling water to the pipe.

    The manual can be found here.


    Oh, one more thing, Welcome to the Green Hulk!

  3. #3
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Welcome to the Hulk moto.

    There should be a water injection into the exhaust pipe to cool the hoses. Sounds like yours is clogged.

    Check the manual like Star mentioned.

  4. #4

    re

    I looked at the pipe. There is a hose going from the top of the pipe that connects back to the pipe in the bakc 1/2 down......

    I took off the top connection, that has the screen on it....

    Perfectly clean....


    does the connector below on the back of the pipe have a screen on it too?

    what about the water box, anything thing on there?

    My water box, just connects to the bottom of the pipe on one end, and the other end goes out the back of the ski, which is the section that melted....

    Also, is anyone else removing there themostat and pop off valve. GroupK, reccomended this... ?

  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by motox1027 View Post
    I looked at the pipe. There is a hose going from the top of the pipe that connects back to the pipe in the back 1/2 down......

    I took off the top connection, that has the screen on it....
    Perfectly clean....

    does the connector below on the back of the pipe have a screen on it too?

    what about the water box, anything thing on there?

    ...Also, is anyone else removing there thermostat and pop off valve. Group K, recommended this... ?
    The Service Manual outlines how to use a stiff wire to clean the orifice, which is at the other end of the hose from the screened fitting.

    When the exhaust hose melted, you were riding on the water, not running on the trailer - correct?

    Was there any sign of engine overheating, or warning on the MFD?

    A stuck closed thermostat would not overheat the exhaust, so that is not the problem with your melted exhaust hose.

    Unless you ride in very cold water, you can remove the thermostat from a carb'ed Polaris engine. You should open up the thermosat housing, and check that it is clean and everything is moving as it should. You can check the thermostat itself in a pot of hot water.

    When the thermostat is operating properly, it maintains an engine water exit temperature of about 140F. That means you can touch the engine cylinders, and hold your hand there for a few seconds before it gets too uncomfortable.

    Also check the cooling water intake screen inside the main jet pump nozzle, right side. That is where the jet pump pressurizes the water, and the plastic mesh screen in there must be kept clean.

  6. #6

    re

    Yes, was in water when the hose melted...

    No signs of engine overheating, as I toched the top of the cylinders with no problem....

    I did removed the thermostat that day before I took it out...

    Water is about 60 degrees, so should be ok.

    I think I am going to remove the pop off pluger and spring, as people are saying this is a good thing to do on the 96 1050...

    The cooling line with the screen side was perfectly clean.. Going to run a wire through the other side. Weird thing is.... there was some water in the water box...... so......

    Any suggestions on what I can use to replace the melted exhaust line???

    I have no idea where I can find something like that...

    Can I use the flexible (ecoording like) radiator hose?

  7. #7

    also

    also.... for some reason the 96 sltx 150, does not have a temperature sensor....

  8. #8
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by motox1027 View Post
    also.... for some reason the 96 sltx 150, does not have a temperature sensor....
    Well, the online parts diagram shows 4110220 SENSOR,TEMPERATURE (item 1);
    Where does the Tan wire go from your electrical box?


  9. #9

    re

    Look, at the service bulliten "recall" in the front of the maunal.

    for 1996, its says SLTX... temperature sensor missing???

    I dont get it, I dont think there is even a slot for it, I would of seen it when I took it apart.

  10. #10
    Click avatar for tech links/info, donation request K447's Avatar
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    Arrow Service Bulletin PWC-96-03, 1996 SLTX Engine Temperature Sensor Incorrect or Missing

    Quote Originally Posted by motox1027 View Post
    Look, at the service bulletin "recall" in the front of the manual.

    for 1996, its says SLTX... temperature sensor missing???

    I don't get it, I don't think there is even a slot for it, I would of seen it when I took it apart.
    Have a look at PWC-96-03

    Apparently, Polaris had a production problem with the temp sensors, and shipped some 1996 SLTX without the temp sensor.

    The dealer was supposed to install an updated PN 4110220 temp sensor when they became available. The sensor retaining plate 5240876 was supposed to have been in the shipping crate

    Apparently, the dealer didn't install the updated sensor on your machine.

    You should check to see if any other updates were skipped...

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