The most successful moped of that time Riga-13 replaced the light moped Riga-11. It was produced since 1983 and provided with 1.3 hp engine, which accelerated the moped till 40 km/h. The early models were equipped with D-8 engine and later they mounted the engines D-8e and D-8m on it. Its distinguishing feature was a good light and an installed high-voltage transformer, which eliminated frequent problems with the induction coil. The Riga-13 became the most popular moped of the plant and was produced till 1998.