ANCLLO Motorcycle Air/Fuel Mixture Screw, FCR Carb Air Fuel Screw Adjuster for Hon da CRF150R Yama ha Suzu ki (Blue)

Easy To Adjust: Carb mixture screw can easily tune and adjust your idle mixture without burning your hands or fumbling with a small screw driver. Numerically calibrated for tuning memory, adjust air fuel mixture with this screw easily. This fcr carburetor air fuel mixture screw is made of premium aluminum material, sturdy, not easy to aging and abrasion resistant, to ensure maximum strength and durability for long lasting usage FCR carburetor mixture screw has an o-ring design to resist engine vibration and increase accuracy and longevity. Carburetor adjuster screw surface paint finish for enhancing its corrosion and rust resistance, not fading and rust.