Outboard motor induction system

Details Outboard motor induction system Outboard motor induction system

1997-04-11

1999-05-04

Sotelo, Jesus D.

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

440 77, 440900, 123195P, 12318421, B63H 2110

Patent

active

058997784

ABSTRACT:
An induction system for an outboard motor of the type having a water propulsion device powered by an internal combustion engine positioned within an engine compartment defined by a cowling, is disclosed. The induction system includes a cover extending over a top end of the engine. The cover defines an air duct leading from an intake chamber defined by the cowling to an intake pipe of the air intake system of the engine. The cover also defines an air duct in communication with the engine compartment and leading to an exhaust chamber defined by the cowling. A pair of intake ports lead through a cover of the cowling from the intake chamber, and an exhaust port leads through the cover from the exhaust chamber. The intake ports are positioned forward of the exhaust port when considering the forward movement of a watercraft which is powered by the motor.

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