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 CO Changes and Idle Adjust Do What?

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keetmanaa




PostSubject: CO Changes and Idle Adjust Do What?   Mon Sep 01, 2014 5:46 pm

I set the idle and CO today following the procedures described in a well done post elsewhere here on the forum.
I have two questions: a)what actually changes when I go plus or minus in the CO reading? Does plus result in a richer mixture, or what?
b) I found turning the idle adjusting screw ccw increases the idle but what is it doing? Is the throttle plate being mechanically opened or am I somehow causing the ECU to increase idle speed, or something else?
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Biglake




PostSubject: Re: CO Changes and Idle Adjust Do What?   Tue Sep 02, 2014 6:11 pm

Making the co # higher makes the bike richer at idle and just above idle.

Turning the idle speed screw moves the throttleplate in the throttle body, adjusting idle speed.

My bike ran better with a higher idle and higher co setting enjoy. thumb
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keetmanaa




PostSubject: Re: CO Changes and Idle Adjust Do What?   Wed Sep 03, 2014 10:19 am

Biglake wrote:

My bike ran better with a higher idle and higher co setting enjoy. thumb

I went up 2 increments to 0 and raised the idle to the top of the recommended range (1650) and am pleased with the result too, particularly as it pertains to on/off jerkiness.
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mumixam




PostSubject: Re: CO Changes and Idle Adjust Do What?   Thu Sep 11, 2014 8:28 am

would u mind linking to said well done post on the procedure to adjust these in order?
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keetmanaa




PostSubject: Re: CO Changes and Idle Adjust Do What?   Thu Sep 11, 2014 11:46 am

mumixam wrote:
would u mind linking to said well done post on the procedure to adjust these in order?

Here it is  http://www.advrider.com/forums/showthread.php?t=538181&page=3
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