2012 YAMAHA TT-R50E TTR50EB, Turns Rug Rats Into Trail Rats Nothing makes learning more fun than a TT-R50E. Chalk it up to the push button starter, monocross rear suspension and three-speed automatic clutch transmission and more. Key Features The TT-R50E gets the same pushbutton electric starting feature as our full line of electric-start TT-Rs. Great for learning and/or playing, complete with 49cc of four-stroke fun feeding power through a three-speed automatic-clutch transmission. Big YZ styling meets little people's stature the seat's only 21.8 inches from the dirt. Inverted fork and Monocross rear end provide great handling. Large chain cover for maximum protection and minimal maintenance.