Chris Carr (motorcyclist) championships, the 2000 Formula USA Dirt Track Championship and the AMA 600cc Dirt Track championship seven times (1988–1993, and 1995). Carr was in contention for the 2006 Grand National Championship at the final race at Scioto Downs in Columbus, Ohio before dropping out with mechanical problems. He ended the season tied for fourth in points behind chief rival Kenny Coolbeth. Carr was inducted into the A.M.A. Motorcycle Hall of Fame in 2004. On September 5, 2006, Carr broke the motorcycle land speed world record at the Bonneville Salt Flats (Utah), with a two-pass 350.8 mph (562.6 km/h) average. He was
Triumph Speed Four and other minor concessions to its streetfighter style; the frame and fully adjustable suspension are race-ready. The engine is a 599 cc inline-four-cylinder engine, as used in the TT600. The bike has a top speed of and a time of 4.5 seconds. "Motorcyclist" tested the 2002 Speed Four's time at 11.65 seconds @ and time at 3.71 seconds. The Speed Four was voted No.1 for handling and suspension in "Ride" magazine's 2008 Rider Power Survey. The Triumph Daytona 675 was second in the same category. Triumph UK After Sales has confirmed that 4,606 Speed Fours were produced from 2002 through