Husqvarna Motorcycles In 1903, they made the jump to motorcycle manufacturing. The first "Husky" motorcycles used imported engines, and it was not until 1918 that Husqvarna began producing machines built entirely in-house. Around that time they secured a contract with the Swedish Army and began entering cross-country and long-distance motorcycle races. In 1920, Husqvarna established its own engine factory and the first engine to be designed was a 550 cc four-stroke 50-degree side-valve V-twin engine, similar to those made by companies like Harley-Davidson and Indian. Husqvarna competed in Grand Prix road racing in the 350cc and 500cc classes during the 1930s and
Tornax Tornax Tornax was a motorcycle manufacturer in Wuppertal, Germany. Tornax built its first motorcycle in 1926. This was the model I-26, which has a 600 cc single-cylinder side-valve engine imported from JAP in London, England producing 15 bhp. For the remainder of the 1920s all Tornax models featured side-valve and overhead valve (OHV) JAP engines of 500, 550 and 600 cc, apart from the V-28 in 1928 whose 600 cc side-valve engine was supplied by the German engine manufacturer Columbus in Bad Homburg. In 1930 Tornax produced its first twin-cylinder model, the III-30, which had a side-valve 1000 cc V-twin