Engine lubricating system for watercraft
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorsMasayoshi Nanami, Toshiyuki Hattori
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Abstract
A lubricating system for a four-cycle engine positioned within an engine compartment of a personal watercraft for powering a water propulsion unit thereof, is disclosed. The engine compartment, and engine therein, is accessible through a maintenance opening in deck of the watercraft. Preferably, the lubricating system includes an oil filter which is positioned at other than the bottom of the engine for access through the maintenance opening, such as at the front or rear end of the engine. In addition, the engine preferably includes an oil drain which is positioned below the oil filter for draining the oil from the engine.
Claims19
A watercraft comprising a water propulsion device powered by a four-cycle internal combustion engine, the engine mounted in an engine compartment defined by a deck connected to a hull of the watercraft, a removable deck member selectively positioned above a maintenance opening in the deck for accessing the engine in the engine compartment, the engine comprising at least one cylinder, an output shaft and a lubrication system, the lubrication system comprising a reservoir, a fill tube, and a filter wherein at least one of the reservoir, the fill tube, and the filter is accessible through the maintenance opening.
A watercraft comprising a water propulsion device powered by a four-cycle internal combustion engine, the engine mounted in an engine compartment defined by a deck connected to a hull of the watercraft, a removable deck member selectively positioned above a maintenance opening in the deck for accessing the engine in the engine compartment, the engine comprising at least one cylinder, an output shaft and a lubrication system, the lubrication system comprising an oil collector, a fill tube, and a filter wherein at least one of the oil collector, the fill tube and the filter is accessible through the maintenance opening.
Dependencies are inferred from the claim text.