2005 Yamaha PW 80, 2005 YAMAHA PW80 - Great Fun for Younger Riders The PW80 is powered by a 79cc, 2-stroke engine with a smooth-shifting, 3-speed transmission with automatic clutch designed to ease the beginner into the basics of shifting. The electronic CD ignition produces a hot, reliable spark and is virtually maintenance-free. Exclusive Autolube oil injection system eliminates the need to premix fuel and oil. A removable, power-limiting exhaust restrictor allows parents or adult supervisors to increase power output as child?s skill level improves. Class-lowest 25" seat height creates a handling-enhancing low center-of-gravity and allows most smaller riders to put both feet down for added confidence. Class-leading lightweight at 126 pounds means quick, responsive steering and greater maneuverability.