Motorworld by V.Sheyanov on Instagram: "1939 NSU 601 OSL | Germany 🇩🇪 In 1938 the NSU company introduced the 601 OSL model with an OHV engine with a capacity of 562 ccm
NSU 1940 201 OSL 200 cc 1 cyl ohv - Yesterdays
RAD MOTORRAD. Motorworld's 1939 NSU 601 OSL - Pipeburn
NSU OSL 251 Buildseries #4 Kurbelwellenlager und Kleinkram - YouTube