METHOD OF AND SYSTEM FOR CONTROLLING MARINE PROPULSION DEVICE

A method of controlling a marine propulsion device including an engine including a plurality of cylinders and a crankshaft includes obtaining an angular acceleration of the crankshaft, obtaining a determination parameter to determine whether or not a misfire has occurred in the engine based on the angular acceleration of the crankshaft, and determining whether or not the misfire has occurred in the engine by comparing the determination parameter and a plurality of thresholds for each of the plurality of cylinders.