crf150r cold idle Screw ◈ Fydun Air Fuel Mixture Set for Keihin FCR MX Carburetor(Red)

Compatible: Carburetor fuel mixing screw for KEiHIN FCR and FCR-MX carburetor for the most popular four-stroke models Compatible: Carburetor fuel mixing screw for KEiHIN FCR and FCR-MX carburetor for the most popular four-stroke models O-type design: O-ring design can resist engine vibration and improve accuracy and service life. Anodized treatment, no rust, smooth surface, delicate and beautiful. High-quality material: The screw is made of high-quality CNC aluminum, with good ductility, anodized treatment, rust-proof, wear-resistant, beautiful and lightweight with certain hardness, and it is not easy to be damaged by collision. Has a longer life. Easy to use: The screw adjuster comes with springs, washers and O-rings for easy installation and replacement. Use this screw to easily adjust the digitally calibrated air-fuel mixture. Without burning your hands or messing with a small screwdriver. Digitally calibrated to adjust the accumulator, just use this screw to adjust the fuel mixture.