A two-wheeled motor vehicle comprising: an engine; a vehicle frame having a vertical frame portion (4, 5) extending vertically at the rear of the engine; a rear wheel disposed behind the vertical frame portion (4, 5); a rear arm (6, 7) arranged to extend in a fore-and-aft direction at the rear of the vertical frame portion (4, 5) and supported by the vertical frame portion (4, 5) so as to swing together with the rear wheel; a main stand that extends in the fore-and-aft direction below the rear arm (6, 7), includes paired support legs (27, 28) spaced apart from each other in a vehicle width direction, and supports the vehicle body when the paired support legs (27, 28) are pivoted to a posture of standing on the ground from a posture of being arranged to extend in the fore-and-aft direction; and an exhaust device that is connected to an exhaust pipe extending from the engine, and configured to expand exhaust gas, which flows from the exhaust pipe, inside the exhaust device, wherein at least a rear portion of the exhaust device is positioned lower than the rear arm (6, 7) and between the rear wheel and the vertical frame portion (4, 5), and, in a plane view of the exhaust device and the main stand, at least the rear portion of the exhaust device is positioned between the paired support legs (27, 28) in the posture of being arranged to extend in the fore-and-aft direction, characterized in that the exhaust device includes an exhaust outlet for discharging the exhaust gas to the outside positioned higher than the support legs (27, 28) in the posture of being arranged to extend in the fore-and-aft direction, and disposed in the rear portion of the exhaust device, as well as between the rear arm (6, 7) and the main stand in a state of running an engine; a vehicle frame having a vertical frame portion (4, 5) extending vertically at the rear of the engine; a rear wheel disposed behind the vertical frame portion (4, 5); a rear arm (6, 7) arranged to extend in a fore-and-aft direction at the rear of the vertical frame portion (4, 5) and supported by the vertical frame portion (4, 5) so as to swing together with the rear wheel; a main stand that extends in the fore-and-aft direction below the rear arm (6, 7), includes paired support legs (27, 28) spaced apart from each other in a vehicle width direction, and supports the vehicle body when the paired support legs (27, 28) are pivoted to a posture of standing on the ground from a posture of being arranged to extend in the fore-and-aft direction; and an exhaust device that is connected to an exhaust pipe extending from the engine, and configured to expand exhaust gas, which flows from the exhaust pipe, inside the exhaust device, wherein at least a rear portion of the exhaust device is positioned lower than the rear arm (6, 7) and between the rear wheel and the vertical frame portion (4, 5), and, in a plane view of the exhaust device and the main stand, at least the rear portion of the exhaust device is positioned between the paired support legs (27, 28) in the posture of being arranged to extend in the fore-and-aft direction, characterized in that the exhaust device includes an exhaust outlet for discharging the exhaust gas to the outside positioned higher than the support legs (27, 28) in the posture of being arranged to extend in the fore-and-aft direction, and disposed in the rear portion of the exhaust device, as well as between the rear arm (6, 7) and the main stand in a state of running