Yamaha is the manufacturer of two-wheeled motorcycles from Japan. When the regulatory arena MotoGP 800cc and 1000cc up to the regulations was held, the manufacturer Yamaha is also still participate and attended the prestigious race. Armed with a prototype motor Yamaha YZR-M1, the manufacturer from Japan is often won the world title last year in several years. Indeed in the early regulation 1000cc MotoGP at the start, the Yamaha YZR-M1 can not be competitive like Honda RC212V. However, since Valentino Rossi joined Yamaha Team in 2004, manufacturers began to develop the motor prototype Yamaha YZR-M1 to be more competitive. In fact, able to defeat rivals in 2004 and instantly create a Valentino Rossi became World Champion at that time.
All things are never free of cooperation between riders, mechanics and manufacturers also own Yamaha. So that makes Yamaha the previous rarely become world champion at last succeeded in winning the world title many times. Yamaha YZR-M1 is a motor that is stable and has pretty good acceleration too. Sector flexsibel chassis makes Yamaha YZR-M1 to be more stable when in the corner and beat the rivals. It is in fact the YZR-M1 bike is not fast and do not have such a good Top Speed Honda RC212V. But on the other side of the motor is able to compensate for the prototype motor made other manufacturers. 
2004 Yamaha YZR-M1 represents a prototype motor was first developed by rider Valentino Rossi with the help of Chief Mechanic Jeremy Burgess. Masao Furusawa as Chief Enginering Yamaha YZR-M1 has been working hard to make the motor is better than ever. In 2008 Pneumatic Valve has been developed and officially installed in the Yamaha YZR-M1 machine. Pneumatic valve makes YZR-M1 to be better in the Top Speed and unlike previous versions of the Valve Spring.
Since the departure of Valentino Rossi and all the mechanical crew at the end of 2010, finally Yamaha YZR-M1 is now developed by the two riders Jorge Lorenzo and its flagship namely Ben Spies. However, Jorge Lorenzo still has a full position on development and research YZR-M1 in the future. 2011 Yamaha YZR-M1 is quite stable and flexsibel the corner and still like characteristics Yamaha YZR-M1 previously very smooth as it passes through the corner.
Well, now how the Yamaha YZR-M1 according to you?
