Patent ID: 7735892

Claim:
A key cylinder arrangement structure for a vehicle comprising: an electronic key system for enabling a start or operation of the vehicle only when authentication is established between a portable transmitter taken along by a rider and a receiver installed in the vehicle; a leg shield which covers the front of the leg of the rider sitting on a seat and has an upper portion including a stuff box; and a key cylinder which mechanically enables a start or operation of the vehicle by insertion-operating a key adaptable when the electric key system does not establish authentification; wherein the key cylinder is disposed so that a key cylinder axis is parallel to the longitudinal axis of the vehicle and is provided at the leg shield so as to face the rider sitting on the seat; the stuff box is provided with an appearance member forming a design surface of the leg shield; and the key cylinder is covered by the appearance member when the stuff box is closed; wherein the stuff box is a drawer having an opening at an upper surface thereof and the key cylinder is disposed below a bottom portion of the drawer.