At the center of the 2009 Yamaha Sport YFZ is a high-performance liquid-cooled four-stroke engine engineered for strong acceleration and competitive riding.

The engine delivers:

• Quick throttle response
• Strong mid-range power
• High-revving performance
• Reliable durability for aggressive riding

Whether on motocross tracks or open desert terrain, the YFZ provides the power riders need for fast-paced off-road adventures.