The engine of the Yamaha EF1600 generator features a displacement of 123 cubic centimeters and has a bore and stroke rating of 2.20 x 1.97 inches. The fuel tank holds 3.17 gallons of unleaded gasoline and the engine holds 0.63 quarts of oil. The Yamaha EF1600 generator operates at a noise level of 65 decibels. The Yamaha EF1600 generator runs at 3,600 revolutions per minute, providing 2.7 horsepower with a rated output of 2 kilowatts per minute.
The Yamaha EF1600 generator has a rated AC output of 120 volts and a frequency of 60 hertz. It provides 1.4 kilovolt amperes and a current of 11.7 amperes.
The Yamaha EF1600 generator measures 20.1 inches in length, 16.3 inches in width and 16.7 inches in height. The unit weighs 83.8 pounds when empty of all fluids.