2012 Yamaha TT-R110E, 2012 Yamaha TTR110E, Electric Start, New Back Tire, Semi-Auto Transmission, Great First Bike! - PURE OFF-ROAD FUN Torquey 110 cubic centimeter air-cooled four-stroke engine, four-speed gearbox with automatic clutch and effortless electric starter. The only drawback? Only one family member can ride at a time. Better get a few.