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Thread: Fuel Sensor Orientation

  1. #1
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    Question Fuel Sensor Orientation

    I recently replaced my fuel pump with a kit from Rev-Mo: https://www.rev-mo.com/fuel

    That sucked - the process. It was no fun and I don't want to do it again until I have to replace the fuel filter.

    Things are going well though. The bike runs REALLY well and the pump is very quiet. I like it.

    That said, I was putting some miles on the bike to continue with my shakedown and test the "new" distance for the fuel light, but it never came on. I replaced the sensor with a new one from the kit I mentioned above.

    I tested all the connections before putting the pump in, and once more afterward, everything is good.

    But, no light at the normal 120 miles I was seeing before.

    So, I started thinking back and realized that I'd installed the dang sensor upside-down from the way I took the old one out.

    I looked up later model pumps and noticed that the sensor is on it's side, instead of vertical (like my early-2005 XB). So, now I'm wondering if it matters, and I just didn't put that last couple of miles on the bike to get the light to come on. Since mine is installed upside down, it would make the sensor "lower" than stock.

    It's not a big deal, really. It's more irritating than anything else and I can just make sure I refill at 120 like normal, but dang it Bobby...I gotta know.

    TIA.

    After pump rebuild:
    sensor.jpg

    As you can see, the sensor is orientated with the wire on top. Don't know what I was thinking, but it's done now...
    Last edited by kz6fittycent; 06-04-2021 at 04:55 PM.

  2. #2
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    Has your low level fuel light come on yet?

  3. #3
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    No I filled it up at 120 miles yesterday so I'll just have to ride it some more (bummer :P) to see if it comes on at 130 or something.

  4. #4
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    That’s what I’m wondering. Maybe you’re getting better fuel mileage now?

  5. #5
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    Good point. That new FPR...

  6. #6
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    I would try to get the low level light to come on. The fastest way to check the light is to drain the fuel. I would get to the 120 mile mark again then pull the drain plug on the pump. That will at least tell you if the light is working.

  7. #7
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    You have 2 things we need to figure out. 1-is the light working. 2-is the light coming on at the correct time.

  8. #8
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    Does your frame have the hole in it for the intake?

  9. #9
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    Quote Originally Posted by mike lowary View Post
    Does your frame have the hole in it for the intake?
    Yeah it does.

  10. #10
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    Quote Originally Posted by mike lowary View Post
    You have 2 things we need to figure out. 1-is the light working. 2-is the light coming on at the correct time.
    Well, the light DID work, that much I know. So #2 would be my focus here.



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