Mikuni Low-Speed Adjuster Screws

To keep your Mikuni carburetor running in top performance, select genuine Mikuni parts to service it. Conveniently offered individually, Mikuni low-speed adjuster screws, or idle mixture screws, are premium quality pieces that controls the air-fuel mixture at low engine speeds, specifically when idling, by regulating the amount of fuel that enters the combustion chamber at low throttle openings. Fine tune your mixture with Mikuni for smooth operation.