Engine: air-cooled four stroke single cylinder Displacement: 50cc Compression ratio: 8.4:1 Cylinder bore 譻troke:39mm?1.4mm Max output: 2KW/7500rpm Max torque:2.6N穖/5000rpm Gears: cycling gearshift four gears Ignition means : CDI Oil supply:PZ19 carburetor Front fork rake angle:45? Axle base: 1460mm Seat height: 480mm Tire: 70/70-12PR(Front); 205/30-10pr(rear) Tank capacity: 4L Product Size:1860mm?10mm?70mm Weight N. /W.: 80kg/90kg