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2008 Road star TPS

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  • 2008 Road star TPS

    Does anyone know what the ohms for the 2008 Yamaha Road star are supposed to be for idle and wide open throttle? I have looked every where I can think but have come up with nothing.

  • #2
    Isn't the TPS a carburetor thing?

    Comment


    • Spydr
      Spydr commented
      Editing a comment
      That's what I thought. So is the AIS, isn't it?

  • #3
    No. The FI bikes have both AIS system and a TPS.

    I used to know because I switched out throttle bodies on my 2012 and obviously set up the TPS with a meter per the shop manual. Then, reinstalled the stock throttle body and set the TPS again. Can’t remember what they are supposed to be now (that was years ago). They are listed in the shop manual though. See if anyone here has one.

    Comment


    • Spydr
      Spydr commented
      Editing a comment
      *All* of them? Or just 1700 Roadstars?

    • Deerkiller
      Deerkiller commented
      Editing a comment
      Spydr, all Roadstars came with a AIS system and a TPS. Is that what you’re asking or something else?

    • Spydr
      Spydr commented
      Editing a comment
      Still trying to learn my Raider the way I learned my Roadstar.
      I don't think it has an AIS. Still have no clue if it has a TPS.
      I haven't asked anything about them (Raiders) here, since it was Rare that I got a valid explanation about my Roadstar.

  • #4
    I have the manual and I have search all thru it and can’t find it anywhere.

    Comment


    • #5
      Smalls, it’s in a manual that I have somewhere. Not sure if it was a Clymers manual or a Yamaha service manual. Many moons have passed since I’ve looked at it. I might be able to do some searching soon but it could be a few days. The procedure is out there somewhere I promise.

      Comment


      • Smalls
        Smalls commented
        Editing a comment
        I have found for the warrior but nothing for the 2008 or later Roadstar. This fuel injected Roadstar doesn’t have a bunch of information out

    • #6
      tested at 20k

      Black and yellow wire
      Closed 4.03
      Opened 0.98

      Black and blue wire
      Closed 4.57
      Opened 4.57

      Comment


      • Spydr
        Spydr commented
        Editing a comment
        Guess you have a TPS after all.
        I'm still trying to find what the similarities & differences are between the FI 1700's & the FI 1900's.

    • #7
      Yes it sure does

      Comment


      • #8
        Straight from the service manual. [email protected]

        Comment


        • Smalls
          Smalls commented
          Editing a comment
          Thank you good sir

      • #9
        The TPS
        Attached Files

        Comment


        • #10
          This is right out of the 08 manual under adjusting the tps angle.

          Positive tester probe →
          yellow terminal “1”
          • Negative tester probe →
          black terminal “2”
          Digital circuit
          Throttle position sensor closed
          position voltage
          0.63–0.73 V
          Measure the throttle position sensor voltage.
          d. Adjust the throttle position sensor angle so
          that the voltage is within the specified range.

          this is checking tps

          CHECKING THE THROTTLE POSITION
          SENSOR
          1. Remove:
          • Throttle position sensor
          (from the throttle body)
          2. Check:
          • Throttle position sensor maximum resistance
          Out of specification → Replace the throttle
          position sensor.
          Resistance
          3.08–5.72 kΩ
          Positive tester probe →
          blue “1”
          • Negative tester probe →
          black “2”
          Measure the throttle position sensor maximum
          resistance.
          LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
          3. Install:
          • Throttle position sensor
          NOTE:
          When installing the throttle position sensor, adjust
          its angle properly. Refer to “ADJUSTING
          THE THROTTLE POSITION SENSOR” on page

          Comment

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