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70CC ATV/scooter engine 1)Engine Type: 4-stroke, single cylinder, 71.8CC 2)Bore X Stroke: 47X41.4mm 3)Compression Ratio: 8.8: 1 4)Ignition: CDI 5)Cooling System: Air cooling 6)Max Torque: 4.5N. M@6500(1± 5%)RPM 7)Rated Power: 3.2KW @8000(1± 5%)RPM) 9)Minimum SFC(g/kw. H): ≤ 367 10)Ignition advance angle: 27° /(3000± 50)RPM 11)Ignition type: CFW capacitive energy storage 12)Lubrication type: Pressure and splash lubricating 13)Fuel Delivery System: Carburetor 14)Valve Clearance( Cold machine state): 0.01-0.03mm 15)Transmission type: Fully Automatic 16)Starting type: Electric/Foot 17)Clutch type: Manual / automatic with multipled laminated disk 18)Primary ratio: 3.722.
