JD Jetting - Kientech fuel screw for Mikuni BST carburetors.


Easily adjust your idle mixture with this fuel screw, without using tools. Billet screw, precision machined to ensure consistent results and a reliable setting.

This fits:

- the Suzuki DR250 (with the Mikuni BST31 carburetor)
- the Suzuki DR350 (with the Mikuni BST33 carburetor)
the Suzuki DR650 (with the Mikuni BST40 carburetor).


You will get: 1 fuel screw.

Does not include the spring/washer/o-ring (re-use these from the stock fuel screw).



Complete as pictured.


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We are Keihin and Mikuni dealer. We offer genuine, high quality racing parts and carburetors, as well as rebuild services and related services. Questions about parts, carburetors or one of our services? Just contact us.

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