An American motorcycle manufacturer in East Troy, Wisconsin, Buell was founded in 1983 by Erik Buell, who was an engineer at Harley-Davidson. In 1983 the first competition only Buell, the RW750, was built to race in the AMA Formula 1 championship.
Harley-Davidson bought 49% of Buell in 1993, and in 2003 Buell was 100% part of Harley-Davidson. In 2009 Buell production was discontinued.