A vessel propulsion apparatus comprising: a propulsive force generator that includes a duct and a propeller, the duct including a stator, the propeller including a rim that includes a rotor disposed at a position facing the stator, and a blade on an inner side of the rim in a radial direction of the rim; a steering shaft configured to turnably support the duct; a motor controller configured to rotationally drive an electric motor including the stator and the propeller in a forward rotation direction to cause the propeller to generate a forward-traveling propulsive force and in a reverse rotation direction to cause the propeller to generate a backward-traveling propulsive force; a turning mechanism configured to turn the duct in a full turning angle range including a range of ±180 degrees; and a controller configured or programmed to define: a turning angle range limiter configured to limit a turning angle range of the turning mechanism to a reduced turning angle range narrower than the full turning angle range, and, when a predetermined limitation cancellation condition is met, the controller is configured to cancel the limitation and to allow turning in a turning angle range wider than the reduced turning angle range, wherein the controller is further configured or programmed to define: a target turning angle setter configured to set a target turning angle in the reduced turning angle range; and a rotation direction controller configured to set a rotation direction of the electric motor to the motor controller, wherein when the limitation cancellation condition is met, the target turning angle setter is configured to reverse the target turning angle by 180 degrees, and the rotation direction controller is configured to instruct the motor controller to reverse the rotation direction of the electric motor. a propulsive force generator that includes a duct and a propeller, the duct including a stator, the propeller including a rim that includes a rotor disposed at a position facing the stator, and a blade on an inner side of the rim in a radial direction of the rim; a steering shaft configured to turnably support the duct; a motor controller configured to rotationally drive an electric motor including the stator and the propeller in a forward rotation direction to cause the propeller to generate a forward-traveling propulsive force and in a reverse rotation direction to cause the propeller to generate a backward-traveling propulsive force; a turning mechanism configured to turn the duct in a full turning angle range including a range of ±180 degrees; and a controller configured or programmed to define: a turning angle range limiter configured to limit a turning angle range of the turning mechanism to a reduced turning angle range narrower than the full turning angle range, and, when a predetermined limitation cancellation condition is met, the controller is configured to cancel the limitation and to allow turning in a turning angle range wider than the reduced turning angle range, wherein the controller is further configured or programmed to define: a target turning angle setter configured to set a target turning angle in the reduced turning angle range; and a rotation direction controller configured to set a rotation direction of the electric motor to the motor controller, wherein when the limitation cancellation condition is met, the target turning angle setter is configured to reverse the target turning angle by 180 degrees, and the rotation direction controller is configured to instruct the motor controller to reverse the rotation direction of the electric motor. a target turning angle setter configured to set a target turning angle in the reduced turning angle range; and a rotation direction controller configured to set a rotation direction of the electric motor to the motor controller, wherein when the limitation cancellation condition is met, the target turning angle setter is configured to reverse the target turning angle by 180 degrees, and the rotation direction controller is configured to instruct the motor controller to reverse the rotation direction of the electric motor.