Patent ID: 6997128

Claim:
A stand-up type personal watereraft comprising: a body including a hull and a deck covering the hull from above, the body having a foot deck at a rear portion of the deck, on which an operator rides; a water jet pump configured to propel the watercraft; a four-cycle multi-cylinder engine provided within the body and configured to drive the water jet pump, wherein the engine is disposed forward of the foot deck within the body and substantially at a center position in a longitudinal direction of the body; and a steering column that is pivotally supported on a front portion of the deck at a front end portion thereof and is configured to extend rearward in the longitudinal direction of the body; wherein the foot deck is configured to extend from under a rear end portion of the steering column to a rear end portion of the body so as to include an axis located at a center in a lateral direction of the body so as to extend along the longitudinal direction of the body; and wherein the four-cycle multi-cylinder engine is an inline four-cylinder engine and is mounted within the body to be located under the steering column such that a crankshaft thereof extends substantially in the longitudinal direction of the body and cylinders are oriented to extend substantially in a vertical direction of the body; and wherein the engine includes a crankcase, a cylinder block located above the crankcase, a cylinder head located above the cylinder block, and an air-intake manifold and an exhaust manifold each connected to the cylinder head and extending downward from the cylinder head, through a position horizontally lateral of the cylinder block, to a position horizontally lateral of the crankcase.