... : 1) Newest concept motorcycle 2) Cool appearance 3) Big power 4) 4 wheels X-RacerSpecifications: 1) Engine type: GY6 engine, fully automatic ... , single cylinder, 4-stroke, forced air-cooled2) Engine displacement: 149.6ml3) Bore x ... stroke: 57.4 x 57.8mm4) Max. power: 8.0kW / 8,000rpm5) ...