Model LHS-YD-45 Discharging Capacity 45cc G/N Weight(kg) 7.7/6.5 Ignition system CDI Power Type Single cylinder, Two-stroke, Air-cooling gasoline engine Cylinder diameter*Stroke 43mm*31mm Maximum shaft brake power 1.8kw Maximum idling speed 2800r/min Minimum clictch engagement speed 4000r/min Fuel Mixture Ratio 25:1(Gasoline 25: Two-cycle oil FB1) Chain oil Motor oil SAE10W-30 Fuel Tank Capacity 550ml Oil Tank Capacity 260ml Guide Bar Size 16"/18"/20" Chain Pitch 0.325" Chain Gauge 0.058" Packing dimensions: L*W*H 450*250*282cm