With a compression ratio of 5.5:1, the EM 500 has 3.65 cubic-inch displacement. The bore and stroke are 1.81 by 1.42 inches. The engine speed is 3,600 rpm.The EM500 uses forced air cooling and has an oil capacity of 0.37 quarts. The fuel tank capacity is 0.5 gallons. The generator has a rated voltage of 120 and a rated frequency of 60 Hz. It has a rated ampere of 3.3. The rated output is 400 watts and the maximum output is 500 watts. The maximum charging output is 8.3 ampere. Honda four-stroke oil or an equivalent high-detergent motor oil should be used in the EM500. SAE 10W-40 oil is recommended for general, all-temperature use.
Use the diagram in the owner's manual to locate the oil filter cap. Check the oil level often and refill as necessary.The item "Vintage EARLY Honda EM500 generator 500 Watt 110 AC / 12 Volt dc Japan" is in sale since Sunday, February 7, 2021. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Generators". The seller is "ocbearcat" and is located in Chino, California. This item can be shipped to United States.