Fuel Mixture Screw Assembly - Black - Honda/Kawasaki/KTM/Suzuki/Yamaha

Allows "no tools" tuning to obtain crisp, clean, positive off-idle throttle response. O-ring design helps resist engine vibration and increase accuracy and longevity. CNC-machined from durable 7075 T-7 billet aluminum. Includes sealing O-ring, tension spring and washer. "EZ Dial" knob with laser-etched numerals.