This manual covers the Continental GO-300 series aircraft engines, manufactured by Continental Motors Corporation. These horizontally opposed, air-cooled piston engines are designed for aircraft propulsion and typically feature six cylinders with a displacement of 300 cubic inches. Variants include the GO-300-A, GO-300-C, GO-300-D, and GO-300-E, with horsepower ratings around 175 HP depending on the specific model. Engineered for reliability and performance, these engines are a key component in many aircraft, utilizing Aviation Gasoline (Avgas) as fuel.

The purpose of this Overhaul Service Repair Manual, identified as x30019 and published around 2011, is to provide comprehensive guidance for the maintenance, repair, and overhaul of the Continental GO-300 aircraft engines. It details essential procedures, technical specifications, and safety guidelines necessary for ensuring the optimal performance and longevity of the engine. Owners, mechanics, and technicians will find detailed information on various aspects of engine service, enabling them to perform necessary upkeep and address potential issues effectively.