Boat propulsion device and boat

Abstract

A boat propulsion device includes a propeller, an electric motor, a controller, and a communicator. The electric motor is configured to rotate the propeller. The electric motor includes a rotor including permanent magnets, and a stator including coils arranged along a rotation direction of the rotor and facing the rotor in a radial direction of the rotor. The controller is configured or programmed to control driving of the electric motor, and includes a memory. The communicator communicates with an external device. The controller is configured or programmed to receive a correction request from the external device via the communicator, and rewrite correction values of electrical angles of current flowing through the plurality of coils, which correction values are stored in the memory, based on the correction request.

Dependencies are inferred from the claim text.