Mini Pocket Bike 50RR Gas Powered 2-Stroke 50cc (Green/Black) Engine: 49cc Single Cylinder 2-stroke, Air Cooled Tires: High Traction Racing Tires 90/65-6.5 Front, 110/50-6.5 Rear Fuel: Unleaded Premium Gas with premix 2-stroke oil Oil: 25:1 break-in, 32-50:1 after, 2-cycle air cooled Box Dimensions: Net: 48lbs, Gross: 56lbs, 44"L x 13"W 24"H