Built from 1930 to 1933
Specification:
175 Z: single cylinder, two-stroke, 174cc, 4.5 hp, 3 speed, max. speed 70 km/h, manufactured: 1930-1932, No. produced: 4,200
175 ZD: single cylinder, two-stroke, 174cc, 6.5 hp, 3 speed, max. speed 80 km/h, manufactured: 1933, No. produced: 1,400
201 Z: single cylinder, two-stroke, 198cc, 5 hp, 3 speed, max. speed 75 km/h, manufactured: 1930-1932, No. produced: 4,100
251 Z: single cylinder, two-stroke, 244cc, 5.5 hp, 3 speed, max. speed 80 km/h, manufactured: 1930-1933, No. produced: 250. (Export only)
The Z models were the first NSU two-stroke motorcycles.
Source: nsu24.de