2017-3-31 · Rieju´s first product in 1947 was what would be later called a "moped". It was a bicycle with an 38cc 4t auxiliary engine with 1 CV. The first 100% RIEJU motorcycle. In 1953, the 175cc RIEJU (with AMC 4t-engine) was born. The model was black with gold lines on the finish and was equipped with a suspension system.