A project dream for 30+ years! At the Cologne Motorcycle Show in late 1982, Yamaha unveiled their new RD350 YPVS, featuring the breakthrough Yamaha Power Valve System, which utilized a servo motor to change the […]
A project dream for 30+ years! At the Cologne Motorcycle Show in late 1982, Yamaha unveiled their new RD350 YPVS, featuring the breakthrough Yamaha Power Valve System, which utilized a servo motor to change the […]