Small watercraft

A small watercraft comprising a hull defining an engine compartment, an internal combustion engine disposed within the engine compartment, a propulsion device carried by the hull and driven by the engine, an exhaust pipe connected to the engine, and a fuel supply system including a fuel tank, a fuel delivery line and a fuel return line that together define a fuel loop between the engine and the fuel tank, the fuel delivery line communicating with at least one fuel injector, said fuel delivery and return lines being arranged within the hull such that not more than at least a portion of one of the fuel delivery and return lines extends next to any portion of the exhaust pipe.

A small watercraft comprising a hull defining a bow and an engine compartment located behind the bow, an internal combustion engine disposed within the engine compartment and arranged with a front end of the engine facing toward the bow, the engine including at least one combustion chamber and an output shaft which rotates about an axis, an induction system communicating with the combustion chamber and being disposed to one side of a vertical plane that passes through the axis of the output shaft, at least one fuel injector communicating with the combustion chamber, an exhaust pipe connected to the engine and extending on a side of the vertical plane opposite of the induction system, and a fuel supply system including a fuel tank, a file delivery line, a fuel rail and a fuel return line that together define a fuel loop between the engine and the fuel tank, the fuel delivery line comiliunicating with at least the one fuel injector, said fuel delivery and return lines being arranged within the hull such that not more than at least a portion of one of the fuel delivery and return lines extends next to any portion of the exhaust pipe, and the fuel rail being disposed on the engine behind the front end of the engine and between the induction system and the exhaust pipe in a position such that the fuel rail does not lie next to the exhaust pipe.

A small watercraft comprising a hull defining a bow and an engine compartment located behind the bow, an internal combustion engine disposed within the engine compartment, the engine including at least one combustion chamber, an induction system communicating with the combustion chamber and being disposed to one side of the engine, an exhaust pipe connected to the engine and extending along a side of the engine opposite of the induction system, and at least one fuel injector communicating with the combustion chamber, the fuel injector being disposed between the induction system and the exhaust pipe, and being covered by at least a portion of the hull.

A small watercraft comprising a hull defining an engine compartment, an internal combustion engine disposed within the engine compartment, a propulsion device carried by the hull and driven by the engine, an exhaust pipe connected to the engine, and a fuel supply system including a fuel tank and a plurality of fuel lines configured to supply fuel to at least one fuel injector, the plurality of fuel lines being arranged within the hull such that not more than at least a portion of one of the fuel lines extends next to any portion of the exhaust pipe.

A small watercraft comprising a hull defining a bow and an engine compartment located behind the bow, an internal combustion engine disposed within the engine compartment and arranged with a front end of the engine facing toward the bow, the engine including at least one combustion chamber and an output shaft which rotates about an axis, an induction system communicating with the combustion chamber and being disposed to one side of a vertical plane that passes through the axis of the output shaft, at least one fuel injector communicating with the combustion chamber, an exhaust pipe connected to the engine and extending on a side of the vertical plane opposite of the induction system, and a fuel supply system including a fuel tank, a plurality of fuel lines configured to supply fuel to the at least one fuel injector, the plurality of fuel lines being arranged within the hull such that not more than at least a portion of one of the fuel lines extends next to any portion of the exhaust pipe, the plurality of fuel lines including a fuel rail disposed on the engine behind the front end of the engine and between the induction system and the exhaust pipe in a position such that the fuel rail does not lie next to the exhaust pipe.

A small watercraft having a hull defining a rider's area behind a bow of the hull which is sized to accommodate at least one rider, an internal combustion engine located within the hull and driving a propulsion device which is carried by the hull, and a fuel supply system including a fuel tank, a fuel pump, and a fuel supply line, the fuel pump being configured to supply fuel from the fuel tank to the fuel supply line, the fuel supply line communicating with at least one fuel injector, the fuel supply line being positioned to lie generally parallel to a rotational axis of an output shaft of the engine.

A small watercraft having a hull defining a rider's area behind a bow of the hull which is sized to accommodate at least one rider, an internal combustion engine located within the hull and driving propulsion device which is carried by the hull, and a fuel supply system including a fuel tank and a fuel pump configured to supply fuel from the fuel tank to the engine, the fuel pump being located within the fuel tank and including an inlet port positioned in a depression formed in the fuel tank.

A small watercraft having a hull defining a rider's area behind a bow of the hull which is sized to accommodate at least one rider, an internal combustion engine located within the hull and driving a propulsion device which is carried by the hull, and a fuel supply system including a fuel tank and a fuel pump configured to supply fuel from the fuel tank to the engine, the fuel pump being located within the fuel tank, the fuel tank including a drain plug, an inlet to the fuel pump being located above the drain plug.

A small watercraft having a hull defining a rider's area behind a bow of the hull which is sized to accommodate at least one rider, an internal combustion engine located within the hull and driving a propulsion device which is carried by the hull, and a fuel supply system including a fuel tank and a fuel pump configured to supply fuel from the fuel tank to the engine, the engine including a magneto-flywheel assembly, the fuel pump being located in front of the magneto-flywheel assembly.

A small watercraft having a hull defining a rider's area behind a bow of the hull which is sized to accommodate at least one rider, an internal combustion engine located within the hull and driving a propulsion device which is carried by the hull, an exhaust pipe connected to the engine, and a fuel supply system including a fuel tank, a fuel pump, and a plurality of fuel lines, the fuel pump being configured to supply fuel to at least one fuel injector via at least one of the fuel lines, the plurality of fuel lines being arranged within the hull of the watercraft such that not more than one of the lines extends next to any portion of the exhaust pipe, the engine including an output shaft which rotates about an axis in a crankcase of the engine, the crankcase being divided into a plurality of crankcase chambers, and an induction system of the engine communicating with each crankcase chamber and being located to one side of a vertical plane that passes through the axis of the output shaft.

A small watercraft having a hull defining a rider's area behind a bow of the hull which is sized to accommodate at least one rider, an internal combustion engine located within the hull and driving a propulsion device which is carried by the hull, an exhaust pipe connected to the engine, an oxygen sensor communicating with at least one cylinder of the engine, and a fuel supply system including a fuel tank, a fuel pump, and a plurality of fuel lines, the fuel pump being configured to supply fuel to at least one fuel injector via at least one of the fuel lines, the plurality of fuel lines being arranged within the hull of the watercraft such that not more than one of the fuel lines extends next to any portion of the exhaust pipe.

A small watercraft having a hull defining a rider's area behind a bow of the hull which is sized to accommodate at least one rider, an internal combustion engine located within an engine compartment formed within the hull and driving a propulsion device which is carried by the hull, a pair of air ducts communicating with the engine compartment and located on opposite sides of the engine, an exhaust pipe connected to the engine, and a fuel supply system including a fuel tank, a fuel pump, and a plurality of fuel lines, the fuel pump being configured to supply fuel to at least one fuel injector via at least one of the fuel lines, the plurality of fuel lines being arranged within the hull of the watercraft such that at least one of the lines extends between the air ducts.

A watercraft comprising a hull defining an engine compartment, an internal combustion engine positioned within the engine compartment, the engine including at least one combustion chamber, a crankshaft journalled for rotation at least partially within a crankcase of the engine, an intake system that provides air to said at least one combustion chamber, and a fuel system that provides fuel to said at least one combustion chamber, said intake system including an intake silencer and said fuel system including at least one fuel injector, said fuel injector being arranged on said engine such that said intake silencer extends directly over at least a portion of said fuel injection so as to shield said fuel injector from water entering the hull through an access opening in the hull.

A watercraft comprising a hull defining an engine compartment, an internal combustion engine positioned within the engine compartment, the engine including at least one combustion chamber, a crankshaft journalled for rotation at least partially within a crankcase of the engine, an induction system that provides air to said at least one combustion chamber, and a fuel system that provides fuel for combustion in the at least one combustion chamber, the fuel system including at least one fuel injector, said fuel injector being arranged on said engine such that at least part of said induction system extends directly over at least a portion of said fuel injector so as to shield said fuel injector from water entering the hull through an access opening in the hull.