Material: Copper Model Name: GL 500 600 CX 650 CB 750 CB750 Heat Resistance: 105℃ Vapor Emission: ≤DAOKEDAO Quantity: 4-Piece Set Compatibility: XR400R, XR250L, XL250S, XL200R, XL185S, XL125S, CB125S Upgrade your motorcycle's performance with a copper carburetor mixture screw set.Designed for , these screws are built to endure riding conditions while maintaining consistent functionality.The copper construction supports resistance to wear and contributes to extended service life.This 4-piece set includes screws compatible with specific dual-sport and off-road models.Each screw is shaped to fit directly into the carburetor, allowing accurate adjustment of the fuel-air mixture.Compatible with XR400R, XR250L, XL250S, XL200R, XL185S, XL125S, and CB125S models, this set provides integration with minimal setup.The screws help regulate the air-fuel ratio, supporting smooth engine and improved efficiency.With a heat tolerance of 105℃ and controlled vapor emission, they maintain performance under varied operating conditions.