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
BSA unit twins new cycle parts, including the "oil-bearing frame". Apart from cosmetic items, the cycle parts were shared with the Triumph twins. (Triumph was a subsidiary of BSA). To produce a 750cc machine for AMA Class C racing, BSA lengthened the stroke of Lightening's crankshaft by 11mm to give a displacement of 751cc. 202 machines were produced to meet the minimum production requirements. All were exported to the US, most to the East Coast distributor in Baltimore. By 1972 BSA were in serious financial trouble and the Firebird Scrambler was discontinued in an attempt to reduce costs. With rival British motorcycle manufacturer,