50cc EEC scooter engine:49.26cc, 2-stroke, air-cooled 50cc,125cc or 150cc Popular design 50cc EEC scooter engine:49.26cc, single-cylinder, 2-stroke, water-cooledBore x Stroke:40*39.2Compression ratio:6.9:1Tires/Front:120/90-10Tires/Rear: 130/90-10Q'ty: 50units/40GP or 75units /40HQ 50cc EEC scooter