Patent ID: 8333629

Claim:
A marine outboard engine, comprising: a cowling; an engine disposed in the cowling, the engine having a cooling system; a driveshaft disposed generally vertically, the driveshaft having a first end and a second end, the first end of the driveshaft being operatively connected to the engine; a gear case disposed generally below the engine; a propeller shaft disposed in the gear case and operatively connected to the second end of the driveshaft; a propeller mounted to the propeller shaft; a first pump disposed inside the cowling below a water line of the outboard engine, the first pump being continuously driven by the engine during operation of the engine, the first pump being a centrifugal pump having an inlet in fluid communication with an exterior of the marine outboard engine below the water line and an outlet in fluid communication with the cooling system; and a second pump disposed inside the cowling below the water line, the second pump having an inlet in fluid communication with an exterior of the marine outboard engine below the water line and an outlet in fluid communication with the cooling system, an electric motor operatively connected to the second pump for selectively driving the second pump during operation of the engine.