2012 Yamaha PW50 (2-Stroke), 2-STROKE MADNESS !!!!! - Introduce your little ones to the fun and excitement of off road riding, with the legendary PW50. In fact, this lightweight, easy-riding bike is one of the industry's best-selling minis. An air-cooled, 49 cubic centimeter, two-stroke engine gives you single-speed power that's super reliable and easy to control. Just gas it and go. A removable, power-limiting exhaust restrictor allows parents or adult supervisors to increase power as a rider's skill level improves. When learning is this much fun, they'll really apply themselves! And check out the value pricing too! IMPORTANT NOTE: Adult supervision and proper protective riding gear, including a helmet, are a must when a minor is operating a PW50.