Easy Adjustable Air Carburetor Fuel Mixture Screw For Motorcycle ATV FCR Carbs Carby 4 Stroke Product Details: Condition: Brand Quantity: 1x Fuel Mixture Screw Material: 6061-T6 Aluminum Color: As shown CNC machined screw for FCR carburetors Design secures adjustment setting Numerically calibrated for tuning memory Includes spring, washer, and Anodized finishing Fitment: Fits all FCR & FCR-MX Carburetors, compatible with most common 4-stroke models. Reference fit models include: CRF150R, CRF150R Expert, CRF250R, CRF250X, CRF450R, CRF450X TRX450R, TRX450R (Electric Start), KLX450R KX250F, KX450F 250 SX-F, 250 XC-F, 250 XCF-W, 400 XC-W 450 EXC, 450 MXC, 450 SX, 450 SX-F, 450 XC, 450 XC-F, 450 XC-W 505 SX-F, 505 XC-F 525 EXC, 525 MXC, 525 SX, 525 XC 530 EXC RM-Z250, RM-Z450 WR250F, WR426F, WR450F YFZ450, YZ250F, YZ426F Specifications: Material: 6061-T6 Aluminum Width: 4 cm Height: 1 cm Special Features: Easy Adjustable Air Carburetor Fuel Mixture Screw Certification: ISO9001 Features: Optimized Performance for Your Ride Upgrade your motorcycle's performance with the Easy Adjustable Air Carburetor Fuel Mixture Screw, designed for a wide range of 4-stroke models. Crafted from 6061-T6 aluminum, this screw ensures durability and resistance to wear. Its compact dimensions make it a discreet addition to your bike's carburetor, while CNC machining guarantees precise fit and performance. Ease of Use and Precise Tuning The screw's easy adjustability allows riders to fine-tune their carburetor's fuel mixture effortlessly. The design secures the adjustment setting, ensuring consistency even during intense riding conditions. Numerical calibration provides a memory for preferred fuel mixture settings, simplifying the tuning process for both professional racers and casual riders. Versatile Compatibility and Installation This fuel mixture screw fits a wide range of motorcycles and ATVs with FCR carburetors. It includes all necessary parts for installation, such as a spring, washer, and. The anodized finishing adds corrosion resistance and a sleek aesthetic to your ride. Whether optimizing performance or adjusting fuel mixture, this screw is an essential tool for any rider. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.