Patent ID: 7128025
Filing Date: 2006-10-31
Classification: F01P

Abstract:
1. An outboard motor adated to be operated in a body of water comprising: a powerhead; an engine housed in the powerhead, the engine having a vertical crankshaft; a mid-section supporting the engine; a lower unit coupled to the mid-section; a propeller shaft housed in the lower unit and operatively coupled to the engine via the vertical crankshaft; a cooling system for cooling the outboard motor; the cooling system having a first cooling loop and a second cooling loop, each cooling loop providing a fluid path; a first heat exchanger in thermal communication with the first one cooling loop a second heat exchanger in thermal communication with the second cooling loop; and the cooling system being fluidly separate from the body of water the first and the second heat exchangers being two separate circuits within a common heat exchanger.