An operation apparatus configured to operate a ship propulsion machine includes: a remote control device including a holder and an operation lever swingably supported, and configured to perform a shift switching operation of the ship propulsion machine and an operation of increasing/decreasing a rotation speed of a power source of the ship propulsion machine; a gauge device including a display device and configured to display information regarding the ship propulsion machine including information indicating a shift position of the ship propulsion machine and the rotation speed of the power source; and a case to which the remote control device and the gauge device are each attached, and which integrates the remote control device and the gauge device. In the case, the remote control device and the gauge device are disposed adjacently to each other in a front-rear direction of the ship.

A system, method, and device for interrupting power to an engine ignition coil in a marine engine during an actuation of a shift cable for transitioning between gears is provided. The method includes connecting a sensor assembly to the shift cable. The sensor assembly includes magnets, a Hall sensor for magnetic sensing, and a control circuit. The magnets are configured to pass by the Hall sensor, which senses a change in polarity of the magnets. The control circuit is configured to interrupt power to the engine ignition coil. The method includes sensing a polarity of the magnets; determining if the polarity of the magnets has changed; and sending a signal to the control circuit based on the change in polarity of the magnets, which causes an output interrupting power to the engine ignition coil.

A shift mechanism configuring an outboard motor comprises: an electric actuator that linearly moves a movable rod; and a shift shaft portion that switches from neutral to forward or reverse based on displacement of said movable rod. Moreover, a neutral adjusting mechanism enabling a neutral position of the shift mechanism to be adjusted is provided facing the shift shaft portion, by a separate body. The neutral adjusting mechanism, which comprises first and second adjusting arms that are supported in a freely rotating manner with respect to a frame and that have been biased in contrary directions to each other by elastic springing force of a coil spring, is provided in a manner that an adjusting screw mounted in the first adjusting arm capable of abutting on a shift arm always abuts on a contacting wall of the second adjusting arm capable of contacting a switch sensor.

A control system for a marine vessel that includes a drive source and an operator that receives an operation is able to switch a control mode of the drive source without providing an additional operator. An operation received by the operator when the drive source is resting is disabled, and a function of switching a control mode of the drive source is assigned to the operation of the operator that is received when the drive source is resting.

A marine vessel maneuvering system includes a marine propulsion unit including an electric motor, an input to input a neutral command to stop the electric motor and to input a drive command to drive the electric motor, a start switch to switch a stopped state in which the electric motor is not driven to a ready-to-be-driven state in which the electric motor is ready to be driven, and a controller configured or programmed to perform a control to switch the stopped state to the ready-to-be-driven state upon a user operating the start switch when a main power supply that controls a power supply to an on-board device of a hull is in an on state, the neutral command is being input to the input, and a marine vessel is in the stopped state.

A marine vessel maneuvering system includes a marine propulsion unit including an electric motor, an input to input a neutral command to stop the electric motor and to input a drive command to drive the electric motor, a start switch to switch a stopped state in which the electric motor is not driven to a ready-to-be-driven state in which the electric motor is ready to be driven, and a controller configured or programmed to perform a control to switch the stopped state to the ready-to-be-driven state upon a user operating the start switch when a main power supply that controls a power supply to an on-board device of a hull is in an on state, the neutral command is being input to the input, and a marine vessel is in the stopped state.

A modular, weight-shift controlled watercraft device is disclosed which includes: a modular board removably attachable to a power system. The power system includes a modular power supply system, and a modular propulsion system. The power supply system includes a housing including a battery. The propulsion system includes a modular strut, a modular propulsion pod, and a modular hydrofoil. In one embodiment, the power supply system is removably and mechanically attachable directly to the propulsion system.

A ship speed control system includes: a ship speed deviation calculation module which calculates a ship speed deviation based on the difference between an actual ship speed and a ship speed target value; and an input gain adjustment module which adjusts a gain input to a throttle control function to a first gain value when the ship speed deviation is not less than a first threshold value, and adjusts the input gain to a second gain value which is larger than the first gain value and smaller than the initial gain value when the ship speed deviation is not less than the first threshold value and not less than the second threshold value.

A ship speed control system includes: a ship speed deviation calculation module which calculates a ship speed deviation based on the difference between an actual ship speed and a ship speed target value; and an input gain adjustment module which adjusts a gain input to a throttle control function to a first gain value when the ship speed deviation is not less than a first threshold value, and adjusts the input gain to a second gain value which is larger than the first gain value and smaller than the initial gain value when the ship speed deviation is not less than the first threshold value and not less than the second threshold value.

A stowable propulsion system for a marine vessel. A base is configured to be coupled to the marine vessel. A shaft has a proximal end and a distal end with a length axis defined therebetween, where the shaft is pivotably coupled to the base and pivotable about a transverse axis between a stowed position and a deployed position, and where the distal end is closer to the marine vessel when in the stowed position than in the deployed position. A gearset is engaged between the shaft and the base, where the gearset rotates the shaft about the length axis when the shaft is pivoted between the stowed position and the deployed position. A propulsion device is coupled to the distal end of the shaft. The propulsion device is configured to propel the marine vessel in water when the shaft is in the deployed position.