Carburetor 640260 for Tecumseh HM80, HM85, HM90, & HM100 Engines This high-quality carburetor replaces the OEM 640260 carburetors that were used on the Tecumseh M80, HM85, HM90, and HM100 gasoline engines Carburetor 640260 for Tecumseh HM80, HM85, HM90, & HM100 Engines. This high-quality carburetor replaces the OEM 640260 carburetors that were used on the Tecumseh M80, HM85, HM90, and HM100 gasoline engines. These engines were commonly used on generators, snow blowers, log splitters, and other small engine applications such as home-built mini bikes and go-karts. The gasket is included. Please study the photo above to match your carburetor. Note: This carburetor is dimensionally and functionally identical to the Carburetor 640152/640023/640051/640140 for Tecumseh HM80 & HM100. The only difference between these two carbs in the gas tube or hose connector. This model uses a straight connector, while the 640152/640023/640051/640140 model uses a 90 degree elbow hose connector. Air intak