Bubba Blackwell Bubba Blackwell Bubba Blackwell is an American stunt performer and motorcycle jumping world record holder who is sponsored by and promoted by Harley-Davidson Motorcycles. Prior to his association with Harley-Davidson, Blackwell was sponsored by the now-defunct Buell Motorcycle Company (Buell was partnered with Harley-Davidson Motorcycles before becoming defunct in October, 2009). Blackwell is best known for breaking Evel Knievel's jump record for buses using a Harley-Davidson XR-750 flat-track racing motorcycle. Bubba Blackwell began his career on April 26, 1998, when he jumped 20 cars in Everett, Massachusetts, breaking the 19 car record held by Evel Knievel. The following year, on
Motorcycle land-speed record final record before World War II, in 1937 (), which stood for 11 years. After the Second World War, the German NSU factory battled English machines (Vincent HRD, Triumph) for top speed honors through the 1960s, when Japanese-engined streamliner motorcycles appeared, and alternated with Harley-Davidson-engined machines through 1990. The last Harley-Davidson record of stood for 16 years, before a Suzuki-powered machine averaged in 2006. Since then, the BUB team, using a custom-built V4 engine, has alternated with the twin Suzuki engined Ack Attack team. Since late 2010, the Ack Attack team has held the motorcycle land speed record at .