Yamaha Motor Company is a Japanese manufacturer which began motorcycle production in 1955. Yamaha is famous for its forward-thinking technology and cutting edge design in model development. Evidence comes in the form of the YZ-F line of dirt bikes which were the first to feature a 4-stroke production engine and the radically popular styling of the R1 and R6 sportbikes. The color commonly associated with Yamaha is blue. Motorcycle USA tests all the new Yamaha motorcycles in print and video reviews.