Bonneville Motorcycle Speed Trials speed of 100mph, riding a Yamaha 350cc two-stoke motorbike. The event was held from 26-31 August. Valerie Thompson became the first female driver riding a motorcycle over 300 mph, reaching a speed of 489.663 km/h. The event was cancelled in 2015, due to poor salt flat conditions. Bonneville Motorcycle Speed Trials Bonneville Motorcycle Speed Trials (BMST) also known as AMA Land Speed Grand Championship is a motorcycle land speed racing event, held annually at Bonneville Speedway, US. The event is sanctioned by American Motorcyclist Association (AMA) and Fédération Internationale de Motocyclisme (FIM). Many AMA-certified US national speed records, and FIM-certified
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