This manual pertains to the Piper J3 Cub, specifically addressing modifications and conversions for the J3C model equipped with a 75 HP engine. Originally produced in 1953, the J3 Cub is renowned for its robust construction and exceptional handling characteristics, making it a beloved aircraft for training, recreation, and bush flying. This guide focuses on the reeed conversion, detailing the procedures and specifications necessary to implement these enhancements, ensuring the continued reliability and performance of this classic aircraft.

The purpose of this document is to provide comprehensive technical information for the Piper J3 Cub reeed conversion. It covers essential aspects including detailed conversion procedures, component specifications, operational guidelines, and maintenance recommendations. This manual serves as an indispensable resource for aircraft owners, mechanics, and technicians, enabling them to perform the conversion accurately and maintain the aircraft to the highest standards, ensuring safe and efficient operation.