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:Norton V8Kawasaki VN 900 Vulcan Custom S.E.Herald Maverick 125Kawasaki EN 400 VulcanKawasaki KLR 250Greggs Customs 1000Kawasaki ZRX 1200RVelocette Supercharged 500 1939