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Thread: Lean mixture

  1. #1

    Lean mixture

    My 04 xb12r has high idle speed, detonation, and glassy spots on the spark plugs. What should be done to eliminate this.

  2. #2
    Senior Member Cooter's Avatar
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    What have you done to diagnose it?

  3. #3
    Senior Member d_adams's Avatar
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    Change your intake seals (lean condition) and new plugs. Verify correct calibration for the ecm/exhaust combination.

  4. #4
    Quote Originally Posted by Kchristensen321@gmail.com View Post
    My 04 xb12r has high idle speed, detonation, and glassy spots on the spark plugs. What should be done to eliminate this.
    I bought the bike with a modified stock mufler. Supposed to be less back pressure now can I use my laptop to check the ecm/exhaust calibration and where do I learn how it's done?

  5. #5
    Senior Member Chicknstripn's Avatar
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    You need ECMspy and a communication cable to use your laptop.
    OR, ecmdroid, an android device, and a Bluetooth dongle.

    Do a little google searching and you’ll find infinite info on both.

    I’m no tech expert so this is where my knowledge hits the rev limiter on this subject.



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