KTM the war, demand for repair works fell sharply and Trunkenpolz started thinking about producing his own motorcycles. The prototype of his first motorcycle, the R100, was built in 1951. The components of the motorcycle were produced in house, except for the Rotax engines which were made by Fichtel & Sachs. Serial production of the "R100" started in 1953. With just 20 employees, motorcycles were built at the rate of three per day. In 1953, businessman Ernst Kronreif became a sizable shareholder of the company which was renamed and registered as "Kronreif & Trunkenpolz Mattighofen". In 1954, the "R125 Tourist" was
Mattighofen Mattighofen Mattighofen is a town in the district of Braunau am Inn, part of the Innviertel region, in the Austrian state of Upper Austria. Initially Mattighofen belonged to the stem duchy of Bavaria, that became a part of Francia. In 757 a Kaiserpfalz (palace) of the ruling Carolingian dynasty was documented here. On the Frankfurt synod of 1007 Emperor Henry II granted the Mattighofen estates to the newly created Bishopric of Bamberg. It was acquired by the House of Wittelsbach in the 16th century and affected by the War of the Bavarian Succession after which it passed to the Archduchy