Compact 65cc two-stroke engine features the same race-winning technologies found in the YZ125 and YZ250 motocrossers.

Patented Yamaha Power Valve System combines crisp bottom-end torque with potent mid-range and free-revving top-end.

Tuned Hitachi Astemo® Keihin PWK28 carburetor and reed-valve induction improves acceleration and throttle response.

Digital CDI system delivers precise spark and monitors engine speed to ensure optimal timing for excellent response.

Six-speed, close-ratio transmission optimizes gear ratios for maximum performance.

Compact radiator delivers maximum cooling efficiency even in the toughest racing conditions.