The BSA M20 Military motorcycle, produced between 1937 and 1950, stands as a testament to robust British engineering. Developed as a dependable workhorse for military service, this single-cylinder, air-cooled machine with its 496cc engine was built for durability and reliability in demanding conditions. Its simple, yet effective, design, featuring a steel duplex cradle frame and drum brakes, made it a ubiquitous presence in numerous military campaigns. The M20's reputation for resilience and its significant role as the standard British Army motorcycle during World War II underscore its historical importance and enduring appeal for enthusiasts and collectors alike.

This comprehensive 32-page parts list and catalog in English is an invaluable resource for owners, restorers, and technicians of the BSA M20 Military motorcycle. It provides a detailed breakdown of all components across key systems, including the engine, transmission, chassis, fuel, electrical, and braking systems, facilitating accurate part identification and sourcing. The manual offers a categorized view of parts with OEM-equivalent numbers, aiding in assembly reference and indirectly assisting with troubleshooting by clearly illustrating each component's place within the motorcycle's overall structure. This document is optimized for clear viewing and printing, ensuring easy access to the information needed to maintain and preserve these classic machines.