2011 YAMAHA YZ250F - White/Red, The winning formula. Now highly concentrated.2011 YZ250 is a purpose-built 250, not a resized 450. The Bilateral Beam frame provides added cornering speed and stability, while the fuel tank is positioned closer to the center of gravity for light handling. The optimized engine delivers power in the low-to-midrange with a great torques and power for blasting out of the corners.Key Features•The Bilateral Beam frame is specific to the 250 and is more compact than the previous generation chassis. This places the rider closer to the front wheel, which delivers superb rigidity balance for unmatched lightweight handling and cornering. This nimbleness lets the rider get on the gas sooner out of corners and cross the finish line with less fatigue ‿ even on long motos.•The optimized engine delivers a high level of power in the low-to-midrange, with a great torquey feel, exactly where riders want it. That is due to the straight intake boot that enhances breathing, carburetor that provides excellent throttle response and fuel atomization, and valve train components that reduce inertial mass and boost low end torque. Exhaust is also enhanced with a D-shaped exhaust port. Ongoing refinement to the suspension and engine produces an amazingly balanced, light-handling machine with performance that‿s accessible to all levels of riders.•The styling emphasizes the bike‿s lightweight and nimble handling character. The sharp, horizontal lines set the bike apart with a clean, aggressive look.•KYB® suspension is tuned to work with the Bilateral Beam frame for unmatched handling. The clutch lever has a light pull feel, even though the clutch has stronger engagement. The clutch also has a wide engagement range that will give riders an advantage off the line. . . shift after shift, moto after moto.•There‿s no disputing the YZ250F‿s unmatched four-stroke prowess ‿ it was the 1st four-stroke 250 motocross bike on the market, the 1st to win an international race, the 1st to win an AMA® Supercross,® and the 1st to take an AMA® U.S. Supercross Championship® title, as well as the first to win an AMA® National race.