A motorcycle including: an engine located at a center portion, in a longitudinal direction of the motorcycle, of a vehicle body; an air intake duct which supplies air taken in through an air inlet in a front portion of the vehicle body to the engine; and an air cleaner configured to clean air taken in from the air intake duct, wherein the air intake duct comprises: a duct body extending in the longitudinal direction from a front end portion thereof so as to pass through a lateral side, in a vehicle widthwise direction, of the engine and removably connected at a rear end portion of the duct body to the air cleaner; and a duct front removably coupled to the front end portion of the duct body, the duct front having the air inlet and being supported by a vehicle body frame, wherein in a state in which the duct body is removed from the engine, at least a portion of the air cleaner located inward of the duct body in the vehicle widthwise direction is exposed to enable the air cleaner to be attached and removed, the duct front is covered from an outer lateral side by a fairing located at the front portion of the vehicle body, the duct body is exposed to the outer lateral side from the fairing, the duct body and the duct front are removably connected at upper portions thereof by means of a fastening member, and the fairing covers the fastening member from the outer lateral side characterized in that the fairing has an opening for exposing the fastening member upward, the front end portion of the duct body is coupled to a rear end portion of the duct front by insertion in the longitudinal direction, a retraction space for moving the removed duct body rearward is formed rearward of a downstream portion of the duct body. an engine located at a center portion, in a longitudinal direction of the motorcycle, of a vehicle body; an air intake duct which supplies air taken in through an air inlet in a front portion of the vehicle body to the engine; and an air cleaner configured to clean air taken in from the air intake duct, wherein the air intake duct comprises: a duct body extending in the longitudinal direction from a front end portion thereof so as to pass through a lateral side, in a vehicle widthwise direction, of the engine and removably connected at a rear end portion of the duct body to the air cleaner; and a duct front removably coupled to the front end portion of the duct body, the duct front having the air inlet and being supported by a vehicle body frame, wherein in a state in which the duct body is removed from the engine, at least a portion of the air cleaner located inward of the duct body in the vehicle widthwise direction is exposed to enable the air cleaner to be attached and removed, the duct front is covered from an outer lateral side by a fairing located at the front portion of the vehicle body, the duct body is exposed to the outer lateral side from the fairing, the duct body and the duct front are removably connected at upper portions thereof by means of a fastening member, and the fairing covers the fastening member from the outer lateral side characterized in that the fairing has an opening for exposing the fastening member upward, the front end portion of the duct body is coupled to a rear end portion of the duct front by insertion in the longitudinal direction, a retraction space for moving the removed duct body rearward is formed rearward of a downstream portion of the duct body. a duct body extending in the longitudinal direction from a front end portion thereof so as to pass through a lateral side, in a vehicle widthwise direction, of the engine and removably connected at a rear end portion of the duct body to the air cleaner; and a duct front removably coupled to the front end portion of the duct body, the duct front having the air inlet and being supported by a vehicle body frame, wherein in a state in which the duct body is removed from the engine, at least a portion of the air cleaner located inward of the duct body in the vehicle widthwise direction is exposed to enable the air cleaner to be attached and removed, the duct front is covered from an outer lateral side by a fairing located at the front portion of the vehicle body, the duct body is exposed to the outer lateral side from the fairing, the duct body and the duct front are removably connected at upper portions thereof by means of a fastening member, and the fairing covers the fastening member from the outer lateral side characterized in that the fairing has an opening for exposing the fastening member upward, the front end portion of the duct body is coupled to a rear end portion of the duct front by insertion in the longitudinal direction, a retraction space for moving the removed duct body rearward is formed rearward of a downstream portion of the duct body.