1868 Micheaux Perraeux

Louis-Guillaume Perreaux (1816–1889) was one of the best inventor of France. The Micheaux Perraeux, steam motorcycle, appears to be one of the earliest examples of motorcycle built by Louis-Guillaume Perreaux and patented in 1868, as “un vélocipède à grande vitesse”, that’s mine “a bicycle with great speed”. Louis-Guillaume Perreaux patented some other inventions speed related: 1840 - Bateau sous-marin à air comprimé, portant une roue à hélice.
1885 - Vapeur sèche à basse pression appliqué au tricycle et vélocipède.