This manual covers Lycoming O-235 and O-290 aircraft engines, manufactured by Lycoming Aircraft Engines. These air-cooled, horizontally opposed piston engines are designed for aviation propulsion, with displacements of 235 and 290 cubic inches respectively. They are engineered for reliability and performance in demanding aviation environments, utilizing Aviation Gasoline (Avgas) as fuel.

This Operators Manual provides comprehensive guidance for the operation and maintenance of your Lycoming O-235 and O-290 engines. It details essential procedures, technical specifications, and safety information necessary for ensuring optimal engine performance and longevity. The manual is presented in English and is designed for easy understanding and navigation, empowering owners and technicians to perform necessary servicing and troubleshooting.

This manual covers Lycoming O-235 and O-290 aircraft engines, manufactured by Lycoming Aircraft Engines. These air-cooled, horizontally opposed piston engines are designed for aviation propulsion, with displacements of 235 and 290 cubic inches respectively. They are engineered for reliability and performance in demanding aviation environments, utilizing Aviation Gasoline (Avgas) as fuel.

This Operators Manual provides comprehensive guidance for the operation and maintenance of your Lycoming O-235 and O-290 engines. It details essential procedures, technical specifications, and safety information necessary for ensuring optimal engine performance and longevity. The manual is presented in English and is designed for easy understanding and navigation, empowering owners and technicians to perform necessary servicing and troubleshooting.