the coolest 4 Stroke air-cooled engine, with 1.6L/100KM fuel comsumption. silky smooth power delivery, quite, less vibration.
Detailed introduction to YBF150:
150cc, 11.5NM, 7.3KW, 1.6L/100KM, 10000RMP can stand a cigaret still. can pass EURO III emission and noise standard.