Grand Prix motorcycle racing is the highest class of motorcycle road racing events held on road circuits sanctioned by the Fédération Internationale de Motocyclisme (FIM). Independent motorcycle racing events have been held since the start of the twentieth century and large national events were often given the title Grand Prix. The foundation of the Fédération Internationale de Motocyclisme as the international governing body for motorcycle sport in 1949 provided the opportunity to coordinate rules and regulations in order that selected events could count towards official World Championships. It is the oldest established motorsport world championship.
Yamaha Motor Co., Ltd. is a Japanese mobility manufacturer that produces motorcycles, motorboats, outboard motors, and other motorized products. The company was established in the year 1955 upon separation from Nippon Gakki Co., Ltd. and is headquartered in Iwata, Shizuoka, Japan. The company conducts development, production and marketing operations through 109 consolidated subsidiaries as of 2012.
Stefan Everts is a Belgian former professional motocross racer and racing team manager. He competed in the Motocross World Championships from 1988 to 2006. Everts is notable for winning a record 10 FIM motocross world championships and 101 motocross Grand Prix race victories, making him the most successful competitor in the history of the Motocross World Championships. In 2003, Everts was named the recipient of the Belgian National Sports Merit Award.
The Yamaha YZF600R is a 599 cc (36.6 cu in) sports bike made by Yamaha from 1996 to 2007.
Roger De Coster is a Belgian former professional motocross racer and current Motorsport Director of KTM and Husqvarna North America. He competed in the Motocross World Championships from 1966 to 1980, most prominently as a member of the Suzuki factory racing team where he won five FIM 500cc Motocross World Championships.
Heikki Antero Mikkola is a Finnish former professional motocross racer and motocross team manager. He competed in the Motocross World Championships from 1967 to 1979, most prominently as a member of the Husqvarna factory racing team where he became the first competitor to win both the 250cc and 500cc world championships.
Torsten Hallman is a Swedish former professional motocross racer and business entrepreneur. He competed in the Motocross World Championships from 1959 to 1971, most prominently as a member of the Husqvarna factory racing team where he won four 250cc Motocross World Championships.
Česká zbrojovka a.s. is a Czech company producing forklifts Desta and components for the automobile industry, it is former firearms manufacturer, also known for making ČZ motorcycles. ČZ was established as a branch of the Škoda Works Armament in Strakonice, Czechoslovakia in September 1919.
Öhlins or Öhlins Racing AB, is a Swedish company that develops suspension systems for the automotive, motorcycle, mountain bike and motorsport industries. Approximately 97% of all production is exported and Öhlins has distribution in over 50 countries worldwide. The company also produces other types of vehicle components, including steering dampers and ride height control systems. A two-wheel drive system for motorcycles has been produced in the past.
The Yamaha YZ450F is a four-stroke racing motocross bike built by Yamaha Motor Corporation. It was the successor to the previous YZ426F which was discontinued in 2003. It is credited by Cycle World and Dirt Rider magazines as the bike that started the four-stroke dirt bike revolution. The 2006 YZ250F and YZ450F were the first production motorcycles equipped with titanium suspension springs.
The Yamaha XT500 is a twin-valve single-cylinder enduro-adventure motorcycle made by Yamaha from 1975 until 1989. It shares its power plant with the street version SR500 and its off-road brother, the Yamaha TT500. All parts such as the transmission and chassis were produced in Japan.
The 1973 FIM Motocross World Championship was the 17th F.I.M. Motocross Racing World Championship season.
Yamaha YZE 750 was a rally raid bike, produced from 1988 to 1991 with the specific task of winning the Dakar Rally, that won 1991 Dakar Rally with French biker Stéphane Peterhansel.
Yamaha YZE 850T was a twin cylinder rally raid bike, produced from 1992 to 1993 with the specific task of winning the Dakar Rally, winning in both years with Stéphane Peterhansel.
Grand Prix motorcycle racing sponsorship liveries have been used since the late 1960s, replacing the previously used national colours. With sponsors becoming more important with the rising costs in the motorcycle CC classes, many teams wanted to be able to display the logos of their sponsors as clearly as possible.
The Yamaha TZ 125 was a racing motorcycle produced by the Yamaha Motor Company from 1980 to 2010. The motorcycle was powered by a two stroke 125 cc engine.
The Yamaha TA 125 was a production racing motorcycle produced by the Yamaha Motor Company from 1973 to 1975. The motorcycle was powered by a two stroke 125 cc engine, and was Yamaha's first 125cc production racer.
Yamaha 250 V4 (RD05A) is an air-cooled road racing motorcycle made by Yamaha, produced between 1967 and 1968, and competed until 1972.
The Yamaha YZR 250 was a 250 cc Grand Prix racing motorcycle made by Yamaha from 1973 through 2003.
The Yamaha 125 V4, also known as the RA31A, is a racing motorcycle produced by Yamaha, for the 125cc class of Grand Prix motorcycle racing, between 1966 and 1970.
