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
Buell Motorcycle Company a limited series of 50 XBRR (, ) racing-only machines for factory-backed and privateer racing teams. The XBRR frame was a XB1/XB2 hybrid, the suspension came from Swedish manufacturer Öhlins, and the wheels were made of magnesium. It was the first model using the ZTL2 eight-piston caliper by Nissin. In 2009, Buell announced production of the 1125RR, also a race-only motorcycle. The bike was internally called the B2, aimed for the supersport market. Built from the 1125R, the 1125RR changes include a titanium exhaust, magnesium wheels, full fairings and a chain drive. On September 9, 2009, Buell won its first