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Anyone know how to monitor AFR on a motorcycle?

Discussion in 'Motorcycles' started by memario1214, Sep 24, 2010.

  1. Sep 24, 2010 at 9:24 AM
    #1
    memario1214

    #1
    memario1214 [OP] Hotshot Offroad Moderator Vendor

    Joined:
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    Colton
    Missoula, MT
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    SOLD - 05 Dub Cab TRD Sport 4x4, CURRENT - '21 Tundra MGM Limited
    We are in the process of rebuilding a 250 Ninja and I want to be able to monitor the AFR at all times. Is this possible? Is there a fairly inexpensive way to do this for say <$100? Any help is appreciated...
     
    memario1214, Sep 24, 2010
    #1
  2. Sep 24, 2010 at 9:56 AM
    #2
    buck

    #2
    buck Don't sweat the petty - pet the sweaty

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    High-flow coconut smiley-face air freshener.
    I wanted to be able to do this also.

    You'll need an oxygen sensor mounted in the exhaust, which only some bikes have stock. You can add an o2 bung and wire one up. There's lots of options for AFR gauges. I think the o2 sensor would need to be a wide-band from what I remember.

    If you are just curious about where you are at, you can probably just do a dyno run and have them print out your A/F curve.
     
    buck, Sep 24, 2010
    #2
  3. Sep 24, 2010 at 10:09 AM
    #3
    memario1214

    #3
    memario1214 [OP] Hotshot Offroad Moderator Vendor

    Joined:
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    Missoula, MT
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    SOLD - 05 Dub Cab TRD Sport 4x4, CURRENT - '21 Tundra MGM Limited
    Nah, I want to be able to monitor it at all times... I have an idea of where we are at, but we are gonna be trying some crazy things with the carb here shortly.
     
    memario1214, Sep 24, 2010
    #3
  4. Sep 26, 2010 at 8:43 PM
    #4
    cagle77

    #4
    cagle77 Well-Known Member

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    +1 on the wideband idea.
     
    cagle77, Sep 26, 2010
    #4

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