Patent ID: 6533624
Filing Date: 2003-03-18
Classification: F01M,F02B

Abstract:
A watercraft having a hull, a water propulsion device supported by said hull, said hull defining a rider's area including a seat positioned on a raised portion on which a rider may sit in straddle fashion, and a four cycle internal combustion engine contained within said hull beneath said seat and said raised portion for powering said water propulsion device, said raised portion defining an opening above said engine through which said engine may be accessed when at least a portion of said seat is removed, said engine having a crankshaft for powering said water propulsion device rotatable about a crankshaft axis and within a crankcase chamber formed at a lower end of said engine, an oil reservoir for containing lubricant for said engine and supported by said hull independently of and at a location spaced longitudinally from the engine and the opening and at a location not accessible through the opening, and means for circulating lubricant from said oil reservoir through said engine for its lubrication and for returning the lubricant to said oil reservoir.