Patent ID: 6969288

Claim:
A water-jet propulsion personal watercraft, comprising: a body including a hull and a deck covering the hull from above; a water jet pump configured to propel the watercraft and including a pump shaft extending in a longitudinal direction of the body; a V-type four-cycle engine mounted within the body and configured to drive the water jet pump, the engine having a front-side cylinder inclined to extend upward and forward and a rear-side cylinder inclined to extend upward and rearward, wherein the engine includes: a crankshaft; an output shaft extending in a direction substantially perpendicular to the crankshaft and connected to the pump shaft, the output shaft being configured to output rotation transmitted from the crankshaft to outside the engine; and a rotation transmission system configured to transmit the rotation of the crankshaft to the output shaft, wherein the engine is mounted within the body in such a manner that the crankshaft extends in a width direction of the body, and the output shaft is provided to extend rearward through a rear wall of a crankcase such that its axial direction corresponds with the longitudinal direction of the body, and is rotatably supported by a rear wall of a crank chamber formed within the crankcase of the engine.