Scooter Engine Factory

Scooter Engine Factory(https://www.jnen.cn/product/engine/) Nominal displacement：50ml Displacement：49.4ml Bore：39mm Stroke：41.4mm Compression ratio:10.5:1 Maximum power:2.7kw/7000r/min Maximum torque:3.2N·m/5500r/min Maximin fuel comsumption:≤367g ...