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:Velocette V-Twin by Allen MillyardAprilia Sonno GTR by Dragon TTMoto Guzzi V50 ‘Opal’ by Rno CyclesHonda VFR750R RC30 Honda Britain RacingCrighton Racing CR700PHarley XLST3 Sportster Dirt Track by Shaw Speed & CustomIcon Sheene Tribute BikeKawasaki Z 750F