Boasting YZ-inspired handling and looks, the Yamaha TT-R230 Dirt Bike 2011 is the ideal choice for beginner and intermediate riders. Driven by a stout 223cc air-cooled, SOHC four-stroke engine, the TT-R230 offers reliable broadband power, while its electric start makes getting started a breeze. For greater rider mobility, this Yamaha dirt bike comes equipped with competition-style flat seat/tank junction, and a steel, diamond-type-design frame for awesome handling and strength. Other features include low seat height, long-travel suspension, large, folding, cleated footpegs and durable fork boots. Hit the trailers for $3,790. Yamaha.