Alain Chevallier is a French Grand Prix

Grand Prix motorcycle racing

Road Racing World Championship Grand Prix is the premier championship of motorcycle road racing currently divided into three distinct classes: 125cc, Moto2 and MotoGP. The 125cc class uses a two-stroke engine while Moto2 and MotoGP use four-stroke engines. In 2010 the 250cc two-stroke was replaced...

 motorcycle

Motorcycle

A motorcycle is a single-track, two-wheeled motor vehicle. Motorcycles vary considerably depending on the task for which they are designed, such as long distance travel, navigating congested urban traffic, cruising, sport and racing, or off-road conditions.Motorcycles are one of the most...

 designer and builder.

During the 1970s and 1980s, Chevallier designed and built road racing

Road racing

Road racing is a general term for most forms of motor racing held on paved, purpose-built race tracks , as opposed to oval tracks and off-road racing...

 motorcycles using Yamaha

Yamaha Motor Company

, is a Japanese motorized vehicle-producing company. Yamaha Motor is part of Yamaha Corporation and its headquarter is located in Iwata, Shizuoka. Along with expanding Yamaha Corporation into the world's biggest piano maker, then Yamaha CEO Genichi Kawakami took Yamaha into the field of motorized...

 engines and campaigned them in the Grand Prix world championships. His brother Olivier Chevallier

Olivier Chevallier

Olivier Chevallier was a former Grand Prix motorcycle road racer from France. His best year was in 1977 when he finished in sixth place in the 350cc world championship. His only Grand Prix victory came at the 1976 350cc Yugoslavian Grand Prix at Opatija. He was killed while competing at the Grand...

 rode the bikes until he was killed while competing at the Grand Prix of Le Castelet in 1980.

Despite his brother's death, Chevallier continued to build and race motorcycles. In 1982

1982 Grand Prix motorcycle racing season

The 1982 Grand Prix motorcycle racing season was the 34th F.I.M. Road Racing World Championship season.-Season summary:Italian Franco Uncini on the Roberto Gallina backed Suzuki took a well-earned championship in the 500cc class. Yamaha introduced a new V4 bike for Kenny Roberts but suffered from...

, Didier de Radiguès

Didier de Radiguès

Didier de Radiguès is a Belgian Grand Prix motorcycle road racer and racing driver.He made his motorcycle Grand Prix debut in 1979, racing in the 500cc class. His best year was in 1982 when he won two races and finished second to Anton Mang in the 350cc world championship...

 rode a Chevallier-designed bike to victory in the 350cc Yugoslavian Grand Prix

Yugoslavian motorcycle Grand Prix

The Yugoslavian motorcycle Grand Prix is a motorcycling event that was part of the Grand Prix motorcycle racing season from 1970 to 1990,-Winners of the Yugoslavian motorcycle Grand Prix:-References:...

 and finished the season in second place in the F.I.M.

Fédération Internationale de Motocyclisme

The Fédération Internationale de Motocyclisme is the governing body of motorcycle racing. It represents 103 national motorcycle federations that are divided into six regional continental unions....

 350cc world championship. His Chevallier team-mate Eric Saul

Eric Saul

Eric Saul is a former Grand Prix motorcycle road racer from France.- Career :Éric Saul began motorcycle competition in 1973....

 won the Austrian Grand Prix

Austrian motorcycle Grand Prix

The Austrian motorcycle Grand Prix was a motorcycling event that had been part of the Grand Prix motorcycle racing season from 1971 to 1997-Multiple winners :-Multiple winners :-By year:Footnotes:...

 and finished the championship in fourth place. In 1983

1983 Grand Prix motorcycle racing season

The 1983 Grand Prix motorcycle racing season was the 35th F.I.M. Road Racing World Championship season.-Season summary:The 1983 battle for 500 cc supremacy between Honda's Freddie Spencer and Yamaha's Kenny Roberts would be one of the most dramatic seasons since the 1967 duel between Giacomo...

, three of Chevallier's motorcycles ridden by de Radiguès, Thierry Espié

Thierry Espié

Thierry Espié is a former Grand Prix motorcycle road racer from France. His best years were in 1979 when he finished in fourth place in the 125cc world championship and in 1980 when he finished in fourth place in the 250cc world championship.-References:...

, and Jean-François Baldé

Jean-François Baldé

Jean-François Baldé is a former Grand Prix motorcycle road racer from France. His best year was in 1981 when he won the Argentine Grand Prix and finished in second place in the 250cc world championship behind Anton Mang. He won three races in 1982 riding for Kawasaki and ended the season ranked...

, finished in the top ten of the F.I.M.

Fédération Internationale de Motocyclisme

The Fédération Internationale de Motocyclisme is the governing body of motorcycle racing. It represents 103 national motorcycle federations that are divided into six regional continental unions....

 250cc world championship. Baldé would also win the 250cc South African Grand Prix

South African motorcycle Grand Prix

The South African motorcycle Grand Prix was a motorcycling event that had been part of the Grand Prix motorcycle racing world championship, held intermittently from 1983 to 2004.-Multiple winners :-Multiple winners :-By year:...

.

Chevallier would move up to the premier 500cc class in 1984

1984 Grand Prix motorcycle racing season

The 1984 Grand Prix motorcycle racing season was the 36th F.I.M. Road Racing World Championship season.-Season summary:Defending champion Freddie Spencer was the pre-season favorite to win the championship however, teething problems with Honda's new V4 and early season injuries squelched his hopes...

, building a race bike using Honda

Honda

is a Japanese public multinational corporation primarily known as a manufacturer of automobiles and motorcycles.Honda has been the world's largest motorcycle manufacturer since 1959, as well as the world's largest manufacturer of internal combustion engines measured by volume, producing more than...

's NS500 engine. De Radiguès rode the bike to a ninth place in the world championship.

In 2000, Chevallier helped design motorcycles for a new French company named Voxan

Voxan

Voxan was a French motorcycle manufacturer established in Issoire, France, in 1995.Originally initiated by Jacques Gardette, the project involved different partners, including Alain Chevallier, who designed the chassis part, and société Sodemo, established in Magny-Cours, France, who designed the...

.