The 2010 MY YZ450F arrives with a lot of improvement,s which start with the rear-slanted cylinder and repositioned intake and exhaust ports, better-distributed, more centralized mass and premium fuel injection system. Yamaha adds a new swingarm, longer suspension travel, a completely new bilateral beam frame and new fuel tank.
Other news about the 2010 MY YZ450F include a new rear sprocket shape, new triple clamps, fenders, skidplate and an optional YZ Power Tuner system for on-site adjustments to the engine mappings.