Patent ID: 7850496

Claim:
A lubrication system of a marine propulsion device, comprising: a rotatable portion of said marine propulsion device extending downwardly from a hull of a marine vessel, said rotatable portion being configured to support a propeller shaft for rotation about a generally horizontal propeller axis; a stationary portion of said marine propulsion device disposed above said hull of said marine vessel, said stationary portion being configured to support said rotatable portion for rotation about a generally vertical steering axis; a cavity within said rotatable portion, said cavity being configured to contain oil therein; a first liquid passage extending from a position proximate a bottom region of said cavity to a position at a top region of said rotatable portion; a second liquid passage which comprises a space between said stationary and rotatable portions of said marine propulsion device; a third liquid passage formed in said stationary portion of said marine propulsion device; and a discharge port connected in fluid communication with said third liquid passage.