... 3.Lower noise,more powerful 4.Good looking,strong frame 5.Hot selling,competitive price ModelGK150S-2BEngine Typesingle-cylinder, oil-cooled ... , 4-strokeDisplacement ( cc)150Output (KW/HP)9.8/4800Front & Rear tire size19×7-8/18×9.5-8Gear shift typeCVT (Constantly Variable Transmission) Transmission ...