The successor of the 1974 SX. It's a new model and the SX 175 was clearly standing model for this one. Actually, the SXT is the little brother of the SX 175. The frame is nearly the same as the 175cc. If you look at the engine, some adjustments were made. Compression-rate went from 8.7 : 1 to 10.8 : 1, the carburetter from 24 to 27mm and the power went from 9,5 horsepower/6750rpm to 12 horsepower/7250rpm. They sold new in the Netherlands for f 2,995,- .

Source: Aermacchi-De Gevleugelde and AMF-Harley-Davidson 1972-1978 by Jaap de Jong