Patent ID: 8109084

Claim:
An exhaust device for a motorcycle comprising: a plurality of exhaust pipes connected to associated exhaust ports of a multicylinder engine; a collecting portion collecting the exhaust pipes at a position close to a lower portion of the engine; a rear exhaust pipe connected to the downstream side of the collecting portion; an exhaust chamber connected to the downstream side of the rear exhaust pipe; an exhaust outlet portion provided on the downstream side of the exhaust chamber; a muffler connected to the downstream side of the exhaust outlet portion; and an exhaust throttle valve disposed inside a passage of the rear exhaust pipe and immediately upstream of the exhaust chamber for changing an amount of exhaust flow, wherein the exhaust throttle valve and a pulley connected to the valve are positioned in a recessed space disposed to recede from an external lateral portion of the collecting portion toward the inside of a vehicle body, such that a lateral width of the collecting portion is greater than a lateral width of the rear exhaust pipe including the pulley of the exhaust throttle valve, as viewed from above.