Custom NSU 250 Sportmax NSU 250 Sportmax SPECIFICATIONS, PRICE & IMAGES Engine: single-cylinder 250 c.c. o.h.c; drive to ca Ignition: coil. Transmission: primary gear train to four-speed gearbox; Frame: welded-up pressed spine type; swinging-fo1* Forks: leading link. Bike Features More Bike Specifications:Spectacula by ThunderBikeHonda CB750 Old Spirit by Ruleshaker MotorcyclesBrough SuperiorAprilia RS-GP MotoGPRambler by Cook CustomKawasaki Z 400JKawasaki Z750 Urban SportsHonda CB 750 Café Racer