Specifications Material: Aluminum Alloy, Rubber Color: Grey Surface Treatment: Spray Paint Assembly Required: No Number of Items: 1 Engine: 2-stroke 3.5hp Displacement: 49cc Gear Ratio: 2.08(27:13) Number of Cylinders: 1 Max. Output: 2.5KW Max. Speed: 4000-5000r/Min Noise: About 80DB              Gear Positions: Clutch Ignition System: CDI Cooling System: Half Water-cooling, Half Air-cooling Control System: Tiller Control Starting System: Manual Start Gasoline: No.92 Lead-free Gasoline Fuel Type: Mixed Oil (Run-in Period: 25 Gasoline: 1 2-stroke Engine Oil; after Run-in Period: 50 Gasoline: 1 2-stroke Engine Oil) Trim And Tilt System: Manual Tilt Fuel Tank Capacity: 1.3L/0.34gal Fuel Consumption Rate: 1.1L/0.3gal/h Propeller Diameter: 17cm/6.7in Joystick Length: 40c