Roehr Motorcycle Company hp 936cc 60° 4-stroke V-twin manufactured by US Highland was revealed in 2004. Roehr introduced the V-Roehr production motorcycle in March 2007. The bike was to be powered by a 180 hp supercharged Harley Davidson 1250 cc "Revolution" engine. Production of the first 50 bikes was scheduled to begin in 2008. Roehr Motorcycle Company Roehr Motorcycle Company was a US motorcycle manufacturer based Gurnee, Illinois. It closed down in 2012. In 1995 Walter Roehrich began construction of the 500 cc two stroke v-twin motorcycle, using Yamaha YZ250 engine parts on a prototype crankcase. The result was the 115 hp Roehr
Cotton (motorcycle) Cotton (motorcycle) The Cotton Motor Company, was a British motorcycle manufacturer of 11a Bristol Road, Gloucester, and was founded by Frank Willoughby Cotton in 1918. F.W. presided over the company until his retirement in 1953. The company was reconstituted as E. Cotton (Motorcycles) Ltd, and traded until 1980. The marque was later resurrected in the late 1990s by a business which manufactured replicas of earlier machines. By 1913, F.W. Cotton had engaged in hill climbs and trials, and recognised the limitations of the "diamond frame" design, little different from a bicycle. He designed his own, and had examples made by