How much oil does a 2003 drz400 hold?

A 2003 Suzuki DR-Z400 typically holds about 2.5 quarts (approximately 2.4 liters) of oil when the oil filter is changed. If you are just changing the oil without replacing the filter, it may hold around 2.1 quarts (about 2 liters). Always refer to the owner's manual for the most accurate specifications and recommendations.