Introducing the Lycoming R-680 Series Aviation Engine Instruction Book (LYR680-34-INS-C), a meticulously reproduced manual that serves as an essential guide for pilots and mechanics alike. First published in April 1934, this third edition offers a wealth of information crucial for understanding and maintaining the Lycoming R-680 engine series.

Our reproductions faithfully capture the original content, providing the same vital data and limitations that you would expect from the authentic manuals. Each copy undergoes a thorough cleanup and scanning process to ensure outstanding clarity. We then utilize advanced Canon digital printers to produce a high-quality resource that is both informative and visually appealing.

It is important to note that these reproductions are NOT FAA-approved replacements for your aircraft's official manuals. However, they remain an invaluable tool for anyone involved in aviation, offering detailed insights and maintenance procedures that are essential for the effective operation of the Lycoming R-680 engine.

Don't miss the opportunity to enhance your aviation library with this critical resource—order your copy of the Lycoming R-680 Series Aviation Engine Instruction Book today and ensure you have the knowledge needed to keep your engine running smoothly!