The TT-R50E is a dream come true for junior.Everything about this rider-friendly mini-bike is designed to create a fun and enjoyable experience for four to seven year olds. For simple riding, the electric-start 50cc 4-stroke engine is equipped with a semi-automatic 3-speed gearbox - and for added parental control the TT-R50E can only be started with the ignition key inserted.The rugged blue bodywork has been inspired by Yamaha’s GP-winning MX bikes, and with long-travel suspension and knobby tyres, the TT-R50E is ready to provide many hours of fun for all the family. Technical Specification Engine Type: Air-cooled, 4-stroke, SOHC, 2-valve Displacement (cc): 49 Bore x Stroke (mm): 36.0 x 48.6 Compression Ratio: 9.5 : 1 Lubrication System: Wet sump Fuel Management: VM11 Ignition: CDI Starter System: Electric Fuel Tank Capacity (L): 3.1 Final Transmission: Chain Transmission: Constant mesh 3-speed