This manual covers the Bing 54 Ultralight Aircraft Engine Carburetor, designed for ultralight aircraft engines. This component is engineered for reliability and optimal performance in its intended application. Key features include its Constant Velocity (CV) or Butterfly design, with options for gravity or pump feed fuel delivery systems. It also incorporates an adjustable idle mixture screw and replaceable main jet system, ensuring precise fuel control. The carburetor may feature a manual or automatic choke mechanism and a standard float bowl with a needle valve, all contributing to its efficient operation. This Service and Repair Manual provides comprehensive guidance for maintaining and troubleshooting your Bing 54 carburetor. It details essential procedures such as cleaning, adjustment of idle speed and mixture, and replacement of common wear parts like jets and gaskets. The manual includes troubleshooting charts for common issues, performance tuning tips, and technical specifications. With detailed diagrams and illustrations, this English-language resource is designed to assist owners and technicians in ensuring the continued reliable operation of their Bing 54 Ultralight Aircraft Engine Carburetor.