How much oil for a 2009 Honda rancher 420?

For a 2009 Honda Rancher 420, the engine typically requires about 3.2 quarts (3.0 liters) of oil when changing the oil and replacing the oil filter. If you are only changing the oil without replacing the filter, it will need approximately 2.8 quarts (2.6 liters). Always check the owner's manual for the most accurate specifications and recommendations.