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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.
An all-terrain vehicle (ATV), also known as a light utility vehicle (LUV), a quad bike or quad, as defined by the American National Standards Institute (ANSI), is a vehicle that travels on low-pressure tires, has a seat that is straddled by the operator, and has handlebars. As the name implies, it is designed to handle a wider variety of terrain than most other vehicles. It is street-legal in some countries, but not in most states, territories and provinces of Australia, the United States, and Canada.
A semi-automatic transmission is a multiple-speed transmission where part of its operation is automated, but the driver's input is still required to launch the vehicle from a standstill and to manually change gears. Semi-automatic transmissions were almost exclusively used in motorcycles and are based on conventional manual transmissions or sequential manual transmissions, but use an automatic clutch system. But some semi-automatic transmissions have also been based on standard hydraulic automatic transmissions with torque converters and planetary gearsets.
The Yamaha YZF-R1, or simply R1, is a 998 cc (60.9 cu in) sports motorcycle made by Yamaha. It was first released in 1998, undergoing significant updates in 2000, 2002, 2004, 2006, 2007, 2009, 2015, 2018 and 2020.
Kenneth Leroy Roberts is an American former professional motorcycle racer and racing team owner. In 1978, he became the first American to win a Grand Prix motorcycle racing world championship. He was also a two-time winner of the A.M.A. Grand National Championship. Roberts is one of only four riders in American Motorcyclist Association (AMA) racing history to win the AMA Grand Slam, representing Grand National wins at a mile, half-mile, short-track, TT Steeplechase and road race events.
Randy Mamola is an American former professional motorcycle racer and television sports presenter. He competed in Grand Prix motorcycle racing between 1979 and 1992. A 13-time Premier Class race winner, Mamola was one of the most charismatic Grand Prix road racers of his generation, becoming a favourite because of his interaction with race fans both on and off the track as well as his aggressive and spirited riding style.
Frederick Burdette Spencer, sometimes known by the nickname Fast Freddie, is an American former world champion motorcycle racer. Spencer is regarded as one of the greatest motorcycle racers of the early 1980s.
The Suzuki GSV-R is the name of the series of four-stroke V4 prototype motorcycles developed by Suzuki to compete in the MotoGP World Championship. The GSV-R replaced Suzuki's 500 cc two-stroke V4 RGV500 which was ridden by Kenny Roberts Jr. to win the 500cc World Championship in 2000.
The Daytona 200 is an annual motorcycle road racing competition held in early spring at the Daytona International Speedway in Daytona Beach, Florida. The 200-mile (320 km) race was founded in 1937 when it was sanctioned by the American Motorcyclist Association (AMA). The original course used the beach itself before moving to a paved closed circuit in 1961. The Daytona 200 reached its zenith of worldwide popularity in the 1970s when the race attracted the largest crowds of any AMA race along with some of the top rated international motorcycle racers. The race is currently promoted by MotoAmerica and run in their middleweight Supersport Class. The race is typically held in early March.
The Yamaha YZR-M1 is an inline-four motorcycle specifically developed by Yamaha Motor Company to race in the current MotoGP series. It succeeded the 500 cc (31 cu in) YZR500 by the 2002 season and was originally developed with a 990 cc (60 cu in) engine. Since then, the YZR-M1 has been continuously developed into several iterations through the 990cc, 800cc and 1000cc eras of Grand Prix Motorcycle Racing.
The 1979 Grand Prix motorcycle racing season was the 31st F.I.M. Road Racing World Championship season.
The Honda RC212V is a Japanese motorcycle created for road racing in the 800 cc (49 cu in) MotoGP series. Officially introduced on 30 October 2006 as the RC211V replacement in the MotoGP series, it was developed by Honda Racing Corporation (HRC) throughout 2006 and began officially racing in the 2007 season.
The ATC250R is a high-performance, three-wheeled ATV produced by Honda from 1981 to 1987. Cited as the first high performance ATC introduced, production began with an air-cooled, 248 cc single-cylinder two-stroke engine, but would see a liquid-cooled, 246 cc engine by 1985. All model years were fully suspended and adjustable, using air-assisted front forks and a single, remote reservoir gas-charged rear shock. 1981–1982 models offered 6.7 inches of front suspension travel and 4.3 inches in the rear, 1983–1984 offered 8.7 inches in front and 8.1 inches rear, while post-1985 models allowed 9.8 inches of travel. All model years also used a gear-driven counter-balancer to reduce engine vibration. Dual disc brakes were used on all model years, with the exception of the 1981, which used a front disc and a rear drum.
Håkan Carlqvist was a Swedish professional motocross racer. He competed in the Motocross World Championships from 1974 to 1988. Carlqvist was a two-time world champion who was known for his fierce competitiveness.
A big bang engine has an unconventional firing order designed so that some of the power strokes occur simultaneously or in close succession. This is achieved by changing the ignition timing, changing or re-timing the camshaft, and sometimes in combination with a change in crankpin angle. The goal is to change the power delivery characteristics of the engine. A regular-firing multi-cylinder engine fires at approximately even intervals, giving a smooth-running engine. Because a big-bang engine has uneven power delivery, it tends to run rougher and generates more vibration than an even-firing engine.
Pons Racing was a motorcycle and auto racing team owned by the British company Pons Racing UK Limited. The team principal is former 250 cc world champion, Sito Pons. In motorcycle road racing world championships, Pons has fielded riders such as Alex Barros, Max Biaggi, Loris Capirossi and Sete Gibernau. In auto racing, his team won the 2004 World Series by Nissan championship with driver Heikki Kovalainen.
The Honda RC213V is a Japanese motorcycle developed for road racing by Honda Racing Corporation to compete in the MotoGP series from the 2012 season and onwards. Rules for 2012 allowed motorcycles up to 1,000 cc (61 cu in) in capacity, with a limit of 4 cylinders and a maximum 81mm cylinder bore.
The Yamaha YZF-R3, commonly R3, is a 321 cc (19.6 cu in) parallel-twin sport bike made by Yamaha since 2015. The R3 and the R25 are the first Yamaha twins with an offset cylinder design.
Franco Morbidelli is an Italian Grand Prix motorcycle racer in MotoGP class, riding for Prima Pramac Racing team. He became champion in the 2013 European Superstock 600 Championship, and the 2017 Moto2 World Championship.
The Honda ATC200 is an all-terrain vehicle that was introduced in 1981 as Honda's top model in the ATC line-up, remaining, in various forms, until Honda voluntarily ceased production in 1987. In the six years of production, six variations were made, often sold concurrently. Collectively, Honda produced over 530,000 ATC200 vehicles, becoming the most prolific sellers in the ATC market, and one of the most recognizable ATCs available.
References
- ↑ "1980 Yamaha YT125G Tri-Moto Advertisement". adclassix.com. Retrieved 2020-04-16.
- ↑ "Yamaha YT125G Tri-Moto Specs". 3wheelerworld.com. Retrieved 2020-04-15.
- ↑ "Yamaha YT175J Tri-Moto Specs". 3wheelerworld.com. Retrieved 2020-04-15.
- ↑ "Yamaha YT200J Yamahauler Specs". 3wheelerworld.com. Retrieved 2020-04-15.
- ↑ "Yamaha YTM200K Tri-Moto Specs". 3wheelerworld.com. Retrieved 2020-04-15.
- ↑ "Yamaha YT60L Tri-Zinger Specs". 3wheelerworld.com. Retrieved 2020-04-15.
- ↑ "Yamaha YTM225DXK Tri-Moto Specs". 3wheelerworld.com. Retrieved 2020-04-15.
- ↑ "Yamaha YTZ250 Tri-Z Specs". 3wheelerworld.com. Retrieved 2020-04-15.
- ↑ "Yamaha YTM225DRS Tri-Moto Specs". 3wheelerworld.com. Retrieved 2020-04-15.