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
Mondial (motorcycle manufacturer) Count Pierluigi Boselli, owner of the Mondial brand and descendant of the original founders, and Cesare Galli, holder of Pelpi international Italy, started to lay the foundation of a project to revive the company, sketching out the first designs that would in time become the first motorcycle. Cesare Galli was formerly the Technical Director at Fantic Motor, the successful Italian offroad brand. Galli worked there until Fantic shut down in 1996 (it has since been restarted successfully), after winning a hat-trick of World Trials Championships with his designs, as well as successive World and Italian Enduro titles. Galli took over