IMPROVEMENTS IN OR RELATING TO AN OUTBOARD PROPULSION SYSTEM

SHIP PROPULSION DEVICE

OUTBOARD MOTOR AND BOAT

END CAP FOR GUIDING AN EXHAUST GAS FLOW OF A BOAT ENGINE, PROPELLER SYSTEM FOR A BOAT ENGINE, BOAT ENGINE, AND USE OF AN END CAP AND METHOD FOR GUIDING AN EXHAUST GAS FLOW OF A BOAT ENGINE

OUTBOARD MOTOR

Propulsion unit for a marine vessel

Pump jet with exhaust diverter

Boat drive

Propeller incorporating a secondary propulsion system

Marine propeller with adjustable exhaust means

MARINE PROPELLER WITH AN ADJUSTABLE EXHAUST STRUCTURE

Exhaust structure of outboard motor

Exhaust structure of outboard motor

Marine propulsion device

Outboard engine unit

Propeller for boat

Outboard motor exhaust system

Exhaust system for internal combustion engine of outboard motor

Propeller hub assembly having overlap zone with optional removable exhaust ring and sized ventilation plugs

Marine drives and methods of making marine drives so as to minimize deleterious effects of cavitation

Marine drives and methods of making marine drives so as to minimize deleterious effects of cavitation

Marine drives and methods of making marine drives so as to minimize deleterious effects of cavitation

Marine drives having a muffler for tertiary exhaust outlet

Outboard motor cowling with cooling water egress system

Outboard motor cowling with cooling water egress system

Marine drives and methods of making marine drives so as to minimize deleterious effects of cavitation

Systems and methods for reducing porosity in propellers

Marine drives having exhaust systems that discharge exhaust gas through a gearcase housing

Marine propulsion systems with actively tunable sound

Marines drives and propeller shaft bearing hubs for marine drives having turning vanes that facilitate discharge of exhaust gas

Marine drives having exhaust systems that discharge exhaust gas through a gearcase housing