Patent ID: 7232351

Claim:
A personal watercraft comprising: a watercraft body having a central portion, a forward portion and a rearward portion; a saddle-ridden seat being generally provided at the central portion of the watercraft body; side walls of the watercraft body extending downwards from left and right lower edges of said seat, wherein said side walls each include a respective opening; a removable side cover covering an opening in at least one of the side walls and forming a portion of said at least one of the side walls extending downwards from left and right lower edges of said seat, an engine mounted on the lower side of said seat with the axis of a crankshaft thereof directed in a front-rear direction of said watercraft body with respect to said forward portion and said rearward portion; a plurality of cylinders being provided in said engine and arranged in the front-rear direction of said watercraft body; intake passages comprising intake pipes being communicated respectively with said cylinders and extending from a side surface of said engine; and an air box containing said intake pipes being provided in a space between said engine and said side walls, wherein said air box includes a box main body having an opening facing toward said at least one of the side walls, the box main body including an outer peripheral wall being formed in a roughly rectangular shape, an inside end surface of the outer peripheral wall on a side of the engine being closed with an inner wall, and an outside end surface of the outer peripheral wall, the inner wall being provided with a plurality of insertion holes; and a cover body capable of being detachably fitted to said opening in the box main body, and facing toward said removable side cover on said at least one of the side walls, so that when the removable side cover and the cover body are both removed, all of the intake pipes are visible when viewed from a lateral direction of the watercraft.