The Tecumseh 640270 Snowthrower Carburetor helps provide the proper fuel and air mixture for reliable engine operation during snow removal. Designed as a replacement carburetor, it regulates fuel delivery to support dependable starting, steady idling, and consistent engine performance. Replacing a worn or malfunctioning carburetor can help address common issues such as difficult start... https://www.wholetoolbox.com/tecumseh-640270-snowthrower-carburetor/640270.html