JD Jetting T-handle fuel screw.

Easily adjust your idle mixture with this air mixture screw, without using tools. This one is formerly known as the Scotts T-handle fuel screw. Precision machined to ensure consistent results and a reliable setting.

JD Jetting part number: JDFM030.
This fits: all Keihin FCR MX carburetors.

(this also works on (slant) Keihin FCR carburetors, but only after lightly drilling out the passage through the float bowl with a 6mm. drill)

Complete as pictured.