Patent ID: 7052342
Filing Date: 2006-05-30
Classification: F02B,F02M

Abstract:
1. A water-jet propulsion personal watercraft comprising: a body including a hull and a deck covering the deck from above; a water jet pump disposed on a rear portion of the body and configured to propel the watercraft; a four-cycle engine mounted forward relative to the water jet pump within the body and configured to drive the water jet pump; a propeller shaft configured to connect the engine to the water jet pump; a coupling mechanism disposed behind the engine and configured to connect an output shaft of the engine to the propeller shaft; and an air cleaner box disposed behind the engine and above the coupling mechanism within the body and connected to an air-intake pipe of the engine, the air cleaner box having an air inlet which opens within an engine room which is formed within the body, and the air cleaner box being configured to take in air through the air inlet for the engine from outside the watercraft, wherein the air cleaner box is removably rigidly attached by a support member to a region of the deck that is located behind and in the vicinity of a first opening which is provided at a position of the deck above the engine and is connected to the air-intake pipe of the engine through a flexible connecting pipe.