Motrocycle Engine GY6 50cc 4-stroke Scooter Engine Auto w/CVT Transmission For 10-inch wheel Electric Start for Scooter/ATV/DirtBike

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About Motrocycle Engine GY6 50cc 4-stroke Scooter Engine

Main structural parameters Engine model:139QMB Engine type:single-cylinder,4-stroke,air-cooled Bore(mm):39mm Stroke(mm):41.5mm Displacement:49.5ml Compression ratio:10.5:1 Ignition:CDI Intake:0HC cam chain drive Engine rotation direction:Right Lubrication method:pressure,splash type Starting mode:electric starter/kick starter Valve clearance:(Hot state)0.06mm-0.08mm Main Performance Parameters Max power (kW/rpm):2.1kw(7500r/min) Rated power and speed:1.8kW(7000r/min) Max torque(N.m/(r/min)):3.1N.m(6500r/min) Min fuel-consume ratio:450 g/kW.h Min idling speed:1600r/min Limits for the emission of pollutants from:According to the provisions of GB14621 Transmission Parameters Clutch:Dry automatic centrifugal Power take-off mode:Belt drive Transmission:CVT Transmission Ratio: Continuously variable transmission ratio range: 2.64-0.86 Reducer speed ratio: Level 1:3.250 Level 2:3.400 Accessories Carburetor Type:Vacuum flat suction Carburetor Model:PD18J Magneto type:Outer rotor type magneto Magneto model:CFW-50 Ignition coil type:Capacitive discharge type Ignition coil model:GCFW50 Spark plug type:Resistance type Spark plug model:A7RTC Spark plug electrode gap:0.6mm-0.7mm Air Filter Type:Flexible polyurethane foam and paper filter element Exhaust muffler type:GY50 Lubricating oil pump type:internal and external rotor oil pump CF50 A.4.13 Starter motor type:permanent magnet DC A.4.14 Starting motor model:QDY-114 Outer dimension and net weight Outer size:length X width X height (l X b X h):580mm X 340mm X 330mm. Net weight:22kg