This factory service repair manual provides comprehensive information for the International Harvester (IH) Cub Cadet Engine, models 70 and 100. These gasoline, air-cooled, single-cylinder engines are known for their robust construction and reliable performance in various applications. This manual covers essential details to ensure these engines operate at peak efficiency and longevity, reflecting the quality engineering of IH. The purpose of this manual is to serve as an indispensable resource for owners, technicians, and mechanics. It details maintenance schedules, troubleshooting procedures, and technical specifications necessary for the upkeep and repair of the Cub Cadet Engine 70 and 100. With clear instructions and diagrams, this guide empowers users to perform routine servicing, diagnose issues, and conduct more complex repairs, ensuring the continued operational readiness of the equipment.