Graphics: sOnar Colors: 4 colors only Name: Biker on NSU-251 Time: 4 nights of hard work email: sonarpl@gmail.com Silly Venture 2013 graphics compo NSU-251 history: Years of production: 1936-1942 Wehrmacht version: since 1938 Engine 10.5hp/5000rpm 1 cyl 4 stroke OHV. 242cc Bore/Stroke: 64/75mm Compression ratio: 6,8:1