A straddle-type three-wheeled vehicle has a frame having an upper frame
member, a lower frame member, a forward cross member interconnecting a
forward portion of the upper frame member with a forward portion of the
lower frame member, and a rearward cross member interconnecting a
rearward portion of the upper frame member with a rearward portion of the
lower frame member. A strut extends diagonally from the forward cross
member to the lower frame member. The vehicle has an engine mounted to
the frame. An air box of the vehicle has at least a portion thereof
disposed above at least a portion of the engine. A fuel tank of the
vehicle is disposed rearwardly of the air box.