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  • New Motor - Idle question

    I'm breaking in my new 650 motor (Keihin carb) and when idling, it gets pretty rough, kind of shudders, especially after idling a while. It's smoother out of the water. I've gone through the first break-in tank of gas.

    Should I up the idle speed? change the low speed mixture? (that's the lower screw, right?)

    Thanks for any help.

    Stephen

  • #2
    Re: New Motor - Idle question

    Set idle speed to 3000 out of the water. If it doesn't stay smooth after that, you need to fine tune your low speed screw.
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