- Source: Marman Twin
The Marman Twin was a motorcycle produced by Marman Products of Inglewood, California (owned by Herbert "Zeppo" Marx) in 1948 and 1949. The engine was a drone airplane engine from World War II, manufactured by Jack & Heintz Aircraft Co.
See also
List of motorcycles of the 1940s
List of motorcycles of the 1950s
References
External links
Media related to Marman motorcycles at Wikimedia Commons