Alain Chevallier died on October 3, 2016.

He was a a French Grand Prix motorcycle designer and builder.

In the 1970s and 1980s, Chevallier designed and built road racing motorcycles using Yamaha engines and campaigned them in the Grand Prix world championships.

Chevallier’s brother Olivier Chevallier rode the bikes until he was killed while competing at the Grand Prix of Le Castelet in 1980.

Even though his brother’s death, Chevallier continued to build and race motorcycles.

During 1982, Didier de Radiguès rode a Chevallier-designed bike to victory in the 350cc Yugoslavian Grand Prix and finished the season in second place in the F.I.M. 350cc world championship.

His team-mate Eric Saul won the Austrian Grand Prix and finished the championship in fourth place.

During 1983, three of Chevallier’s motorcycles ridden by de Radiguès, Thierry Espié, and Jean-François Baldé, finished in the top ten of the F.I.M. 250cc world championship. Baldé would also win the 250cc South African Grand Prix.

He would move up to the premier 500cc class in 1984, building a race bike using Honda’s NS500 engine.

And De Radiguès rode the bike to a ninth place in the world championship.

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

Alain Chevallier died at 68 years old.