Bing Idle JET 65 44-353/65

The Bing idler jet controls the fuel mixture from closed to 1/2" throttle. Below 1/4" throttle the idler jet is the most tuning part. See illustration. Smaller numbers indicate leaner conditions. Available in the following sizes: 30, 35, 40, 45, 50, 55, 60, 65, 70 be sure to specify size when ordering.