HM100 Carburetor For Tecumseh HM80 HM90 640152A 640023 640140 640051 640152 Oregon 50-655 Rotary 13154 (640140) Direct Replacement! Bolt-on & Go parts! 3 Months warranty from our store! We are professional carburetor manufacturer and seller! Please compare your old carburetor with the pictures if you are not sure if it will fit.