Product Description
Hyosung OEM part. Fits many different 250 and 650 models. #20 in picture of 650 carb and #6 in picture of 250 carbs. Sold individually.Product Videos
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Idle mixture adjustment needle o-ring #20
The original O-ring remained within the carburetor when I removed the the idle mixture needle. Figuring the the other one had some gunk or other crud on it, I ordered 2 and they arrived as promised and fit my carburetor. This part is not even offered on the Hyosung site and is critical. Whygostock continues to enlighten my repair experience.