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Discussion Starter · #1 ·
I've seen this throughout the forums pointing to the IACV (Idle Air Control Valve) and I have to agree this is most likely the cause. However, my problem is finding the darn part. I've looked through the entire Yamaha Parts Diagrams and can't seem to find it. Does anyone know the part number for the IACV?

FYI: 2021 YXZ 1000R SS XT-R with 150 miles and encountered this last weekend in the dunes. I started the machine the next day and the code was gone and it was idling fine. However, I want to replace the part and investigate the original to find out why it's failing so soon. Typically it's either a weak spring or clearance inside the valve assembly.
 

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Look in the exhaust breakdown. Find no. 18.
 

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Discussion Starter · #3 ·
Look in the exhaust breakdown. Find no. 18.
That is the EGR or part of the air pumper system.

Here is a picture of it:


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However looking at the Yamaha Parts Diagram it doesn't show as an option in the list see below:
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