The propulsion unit comprises an electric actuator and a tiller coupled the electric actuator. The electric actuator includes a housing having a first end and second end. There is an output shaft fully received within the housing. The output shaft includes a coupling portion and a tiller is coupled the coupling portion of the output shaft such that such that a line of action of the actuator is in the same plane as the tiller.

The propulsion unit comprises an electric actuator and a tiller coupled the electric actuator. The electric actuator includes a housing having a first end and second end. There is an output shaft fully received within the housing. The output shaft includes a coupling portion and a tiller is coupled the coupling portion of the output shaft such that such that a line of action of the actuator is in the same plane as the tiller.

This automatic setting device for automatically setting control devices for a plurality of ship propulsion apparatuses for generating ship propulsion forces is provided with: an input operation setting unit that sets an input operation for a ship; a target behavior acquisition unit that acquires a target behavior of the ship corresponding to the input operation set by the input operation setting unit; a ship information acquisition unit that acquires ship information about the position and/or the bearing of the ship; an actual behavior calculation unit that calculates the actual behavior of the ship on the basis of the ship information acquired by the ship information acquisition unit; and a propulsion force setting unit that sets the magnitudes and the directions of the propulsion forces generated by the respective ship propulsion apparatuses on the basis of the actual behavior of the ship acquired by the actual behavior calculation unit and the target behavior of the ship acquired by the target behavior acquisition unit.

A method of controlling a steering system on a marine vessel includes, in response to receiving a user input to engage a quick steer mode, employing a reduced steering ratio to translate positions of a steering wheel to desired steering angles of a marine drive. A vessel speed of a marine vessel is determined and then compared to a threshold vessel speed. An output limit is determined to prevent the marine vessel from further exceeding the threshold vessel speed while the quick steer mode is engaged. The marine drive is automatically controlled based on the output limit and a steering actuator associated with the marine drive is controlled based on the reduced steering ratio.

A remote control system for a watercraft can provide various modes of joystick propulsion control including cruise control, sub-idle watercraft speed operation, composite lateral propulsion, and shiftless docking maneuvers. The system can be used with outboard motors having 360-degree rotatable lower units.

A remote control system for a watercraft can provide various modes of joystick propulsion control including cruise control, sub-idle watercraft speed operation, composite lateral propulsion, and shiftless docking maneuvers. The system can be used with outboard motors having 360-degree rotatable lower units.

A ship steering device includes a handle which is mechanically separated from a rudder mechanism, a steering angle detecting unit that detects a steering angle of the handle, a reaction force motor that generates reaction force torque to be applied to the handle, and a reaction force controller that controls, based on a steering characteristics map, the reaction force motor in such a way that the reaction force torque in accordance with the steering angle is obtained. The steering characteristics map has characteristics in such a way that the amount of change in an aiming steering torque relative to the steering angle is smaller in a second steering range where the steering angle is larger than that in a first steering range than the first steering region where the steering angle is set in advance from zero.

The invention provides an internal combustion engine comprising a piston mounted for reciprocating linear motion within a cylinder along a cylinder axis. The piston is coupled to an output shaft by a power transfer assembly arranged to convert linear motion of the piston to rotary motion of the output shaft. The piston has a first head moveable within a first chamber and a second head opposite the first head and moveable within a second chamber. The power transfer assembly has a lubrication system for lubricating moving components of the power transfer assembly. The lubrication system is sealed from the first chamber and the second chamber to prevent the passage of fluid from the lubrication system into the first chamber and the second chamber.

The invention provides an internal combustion engine comprising a piston mounted for reciprocating linear motion within a cylinder along a cylinder axis. The piston is coupled to an output shaft by a power transfer assembly arranged to convert linear motion of the piston to rotary motion of the output shaft. The piston has a first head moveable within a first chamber and a second head opposite the first head and moveable within a second chamber. The power transfer assembly has a lubrication system for lubricating moving components of the power transfer assembly. The lubrication system is sealed from the first chamber and the second chamber to prevent the passage of fluid from the lubrication system into the first chamber and the second chamber.

A steering apparatus for an outboard motor includes a steering mechanism including a guide arranged forward relative to and parallel or substantially parallel to a tilt shaft, a moving body that is rotatably coupled to an arm through a first pivot shaft parallel or substantially parallel to the tilt shaft and movable along the guide, and a support bracket that supports the guide such that the guide rotates about a second pivot shaft parallel or substantially parallel to the tilt shaft and offset relative to the tilt shaft.