This Parts Manual covers the Lycoming 235 series of aircraft engines, renowned for their robust engineering and reliability in aviation applications. Designed for general aviation use, these horizontally opposed, air-cooled, four-cylinder engines typically produce between 108 and 180 horsepower, with a displacement of approximately 300 cubic inches. They utilize a dual magneto ignition system and are designed to run on Aviation Gasoline (Avgas). The 235 series is a testament to Lycoming Aircraft Engines' commitment to quality and performance in the demanding field of aviation.

This comprehensive Parts Manual, presented in English, is an essential resource for owners, mechanics, and technicians. It provides detailed information necessary for the identification and procurement of parts for the Lycoming 235 series engines. Within its pages, you will find critical specifications, including engine configuration details, typical weight, and horsepower ranges. The manual also offers guidance on recommended service intervals and oil types, referencing specific Lycoming recommended aviation lubricants. This document is designed to facilitate the proper maintenance and upkeep of your Lycoming aircraft engine, ensuring continued operational integrity and safety.