Motorcycles questions

Harley-Davidson is an American motorcycle manufacturer, founded in Milwaukee, Wisconsin in 1903. It is one of two major American motorcycle manufacturers to survive the Great Depression (along with Indian). Now it is one of the world's largest motorcycle manufacturers, and an iconic brand widely known for its loyal following.

A desmodromic valve is a reciprocating engine poppet valve that is positively closed by a cam and leverage system, rather than by a more conventional spring. The main benefit of the desmodromic system is the prevention of valve float at high RPM. It has been applied to top-of-the-range production Ducati motorcycles since 1968.

Honda is the largest motorcycle manufacturer in Japan and has been since it started production in 1955. In 1960, Honda was also the first among them to begin exporting to the U.S.