2012 YAMAHA YZ85, or The Serious Mini Racer. YZ85 is ready to race right out of the crate and features a liquid-cooled, 84.7cc crankcase reed-valve-inducted six-speed that is compact and light. You also get an ultra-rigid, single backbone, semi-double-cradle frame, fully adjustable suspension and more to suit a wide range of rider from novice to mini expert. Key Features Liquid-cooled, 85cc crankcase reed-valve-inducted six-speed is light, compact, and designed to deliver hard-hitting, moto-winning power throughout the rpm range. Ultra-rigid, single-backbone, semi-double-cradle frame is lightweight and strong for sharp handling. Fully adjustable suspension allows a broad adjustment range to suit everybody from rank novice to mini expert. Owning a Yamaha 2-stroke is less expensive to maintain.