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  1. 04-28-2024, 10:17 PM #1
    glock-19
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    Yamaha 150 Idle Mixture Screw

    2005 YAMAHA 150 4 stroke outboard.
    A naive question. The screw in the red circle is the idle mixture screw (fuel), correct? What's the one in the green circle, air? And is there a link I can learn more on how to best adjust them? Thanks.


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  2. yam911
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    #2 04-29-2024, 07:03 AM
    Yamaha EFI four strokes don't have manual adjustable mixture controls. A computer does it.
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  3. Brianmoore25
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    #3 04-29-2024, 08:51 AM
    Those are for the sync and link procedure
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  4. glock-19
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    #4 04-29-2024, 05:17 PM
    Quote Originally Posted by yam911 View Post
    Yamaha EFI four strokes don't have manual adjustable mixture controls. A computer does it.
    Thank you
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  5. glock-19
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    #5 04-29-2024, 05:17 PM
    Quote Originally Posted by Brianmoore25 View Post
    Those are for the sync and link procedure
    Thank you
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