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  1. #1

    Can Ficht exhaust temp sensor 2410125 be replaced with Evinrude 0586140 ?

    Hi, I have a problem with the temperature sensor exhaust, can you tell me whether the component can be replaced with the spare Evinrude/OMC 0586140?

    Or are there other temporary solutions?

    Thanks
    Last edited by K447; 08-27-2014 at 08:05 AM.


  2. #2
    Kosh's Avatar
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    No that is nothing like it.

    The MSX 110/150 will run with out this sensor, assuming the raw water cooling system is not blocked and the engine and exhaust are not overheating, if you were to have a problem you would not get any warning indication.

    Edit: MSX 140 Ficht uses a different exhaust temperature sensor from the Weber engines
    Last edited by K447; 08-27-2014 at 07:52 AM. Reason: MSX 140 is different

  3. #3
    How does this sensor? Having a range from 990 to 1015 ohms if I plug in the connector a resistance of 100​0 ohms what should happen?

  4. #4
    ripcuda's Avatar
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    This is a temp sensor off a direct injection 2-stroke Polaris (knowing model is helpful)... right?

    I'll let the DI guys give you the best answer

  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by fubellik77 View Post
    Hi, I have a problem with the temperature sensor exhaust, can you tell me whether the component can be replaced with the spare evinrude omc 0586140? Or are there other temporary solutions? Thanks
    What model and year is your Polaris?

  6. #6
    Kosh's Avatar
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    Quote Originally Posted by Kosh View Post
    No that is nothing like it.

    The MSX will run with out this sensor, assuming the raw water cooling system is not blocked and the engine and exhaust are not overheating,
    if you were to have a problem you would not get any warning indication.

    Sorry for some reason I thought the question was for the 4 stroke model, disregard my comment.

  7. #7
    Quote Originally Posted by K447 View Post
    Quote Originally Posted by fubellik77 View Post
    Hi, I have a problem with the temperature sensor exhaust, can you tell me whether the component can be replaced with the spare evinrude omc 0586140? Or are there other temporary solutions? Thanks
    What model and year is your Polaris?
    My polaris is msx140 2003

  8. #8
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by fubellik77 View Post
    How does this sensor?
    Having a range from 990 to 1015 ohms if I plug in the connector a resistance of 100​0 ohms what should happen?
    Quote Originally Posted by fubellik77 View Post
    ... I have a problem with the temperature sensor exhaust, can you tell me whether the component can be replaced with the spare evinrude omc 0586140?
    Or are there other temporary solutions? ...
    The Evinrude 0586140 temperature sensor looks similar to the genuine Polaris 2410125 exhaust water temperature sensor but I do not know if it is close enough to be used as a substitute on the Polaris Ficht engines.

    Click image for larger version. 

Name:	IMG_4056.jpg 
Views:	133 
Size:	46.9 KB 
ID:	339952

    I have not tried this, but you may be able to simply run the engine with the sensor disconnected. I do not know if the EMM will be able to run the engine properly without having the proper temperature signal.

    Connecting a resistor in place of the actual sensor will fool the EMM but I do not know if the EMM will properly run the engine with an incorrect temperature signal.

  9. #9
    Quote Originally Posted by K447 View Post
    Quote Originally Posted by fubellik77 View Post
    How does this sensor?
    Having a range from 990 to 1015 ohms if I plug in the connector a resistance of 100​0 ohms what should happen?
    Quote Originally Posted by fubellik77 View Post
    ... I have a problem with the temperature sensor exhaust, can you tell me whether the component can be replaced with the spare evinrude omc 0586140?
    Or are there other temporary solutions? ...
    The Evinrude 0586140 temperature sensor looks similar to the genuine Polaris 2410125 exhaust water temperature sensor but I do not know if it is close enough to be used as a substitute on the Polaris Ficht engines.

    Click image for larger version. 

Name:	IMG_4056.jpg 
Views:	133 
Size:	46.9 KB 
ID:	339952

    I have not tried this, but you may be able to simply run the engine with the sensor disconnected. I do not know if the EMM will be able to run the engine properly without having the proper temperature signal.

    Connecting a resistor in place of the actual sensor will fool the EMM but I do not know if the EMM will properly run the engine with an incorrect temperature signal.
    Can you tell me the wattage of the power system which includes the temperature sensor exhaust?
    Last edited by fubellik77; 08-28-2014 at 03:12 AM.

  10. #10
    Click avatar for tech links/info, donation request K447's Avatar
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    If you wish to try installing a 1000 ohm resistor as substitute for the genuine Polaris exhaust temperature sensor, use a 5% precision resistor of 1/2 watt or 1/4 watt.

    Check the actual resistance with an ohmmeter to confirm it is very close to 1000 ohms. This will simulate an engine that is 'cold', not warmed up at all.

    The real temperature sensor changes resistance as it warms. The 990-1015 resistance specification is for room temperature (25C or 77F). The temperature sensor will have a different resistance when the engine is at normal operating temperatures which is about 140F (thermostat water temperature).

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