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  1. #1
    DavidR's Avatar
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    03 STX1100 fuel sender specs

    Looking for the ohm specs for the fuel level sender in a 03 STX1100DI. I found a used one and need to know if it will work in my '98.


  2. #2

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    Don't think so.

  3. #3
    DOES think so.

    All Kawi both 2 & 4-stroke skis, 900, 1100, 1200 and 1500 (samll hull models, not big hull modles like 4-st Ultras) from 1997 to 2014 use the same Kawi factory fuel level sending unit P/N 27010-3770.

    Here is the write-up I did a while ago.

    When the fuel level sending unit goes bad, typical symptoms are:
    1. Fuel gauge shows empty when fuel tank is NOT empty (most common).
    2. Fuel gauge shows full when fuel tank is NOT full (somewhat common).
    3. Fuel level reading suddenly changes instead of gradually (rare).

    However, fuel level warning light coming on too soon (like 40% full fuel tank) is normal because that's how it is designed - for safety reason. For example, on 16-gallon 12F/15F skis the fuel level low warning light will start to come on when fuel tank still has about 6-7 gallons left. On rough water condition or when ski is bouncing all over water, the empty light may even come on sooner than usual.

    Here are some tips:
    1. Remove the fuel level sending unit from the fuel tank by loosening the larger clamp on top of the unit (there are one large and one small).
    2. Do not pull on the wires! Just pull on the rubber boot/cap on the top.
    3. You may access the fuel level sending unit from either by opening the front hatch cover, or by removing the glove compartment plastic container - depending on the model.

    There are total 3 tests for diagnosing the sending unit

    Below is the summary of Test 1 & 2 - checking the resistance of the fuel level sensor (aka "sending unit") at the two pin connector after removing it from the ski.


    Test 1 - Ohm reading should be around 8 kOhms when sending unit is upright.
    Shown below part is checking out good for this part of the test.



    Test 2 - Ohm reading should be around zero ohm when sending unit is held upside down.
    Shown below part fails this part of the test - bad!



    Test 3 - Checking resistance of all 4 floats, one at a time.
    This testing procedure is little more complicated or should I say more time consuming than above 2 but basically the same:
    1. First make sure the sending unit is upright.
    2. Then move up one float at a time and measure the ohm reading at the connector.
    3. The ohm reading should be matching as shown below. There are total 4 readings to be measured/checked since there are 4 floats. Even if one reading is wrong, your sending unit would not be working properly.

    For example, when only the very bottom float is moved up, the ohm reading should be around 5.1 kOhms.

    If you have any question on this subject, please post or PM me.

  4. #4

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    Quote Originally Posted by keithg1964 View Post
    Don't think so.
    Sorry, I was wrong. I thought the DIs used an different one.

    Here is a link that proves I was wrong:
    http://www.2wheelpros.com/oem-parts/...0740-part.html

  5. #5
    steve45's Avatar
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    Quote Originally Posted by meangreenman View Post
    DOES think so.

    All Kawi both 2 & 4-stroke skis, 900, 1100, 1200 and 1500 (samll hull models, not big hull modles like 4-st Ultras) from 1997 to 2014 use the same Kawi factory fuel level sending unit P/N 27010-3770.
    DON'T think so. The Ultra 150s use a different sensor that incorporates the pickups and screen into it. There are differences between model years, too.

  6. #6
    DavidR's Avatar
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    I just want to make sure the '03 has the same 0 ohm - 8030 ohm range as the '98, because my '96 is 10 ohm - 84 ohms and its bad too. So I have to locate two different sensors. I wish the parts lists, like partzilla, would should the superceded part numbers, it would make it much easier.

  7. #7
    DavidR's Avatar
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    OK, after reserching the 27010-3770, looks like they are indeed the same. Service Honda's site shows superceded numbers, new number is 27010-0740. Now to find a good '96 unit.

  8. #8
    steve45's Avatar
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    Essentially, you need the high resistance unit for the digital displays. The low resistance units work with the analog gauges.

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