Patent ID: 8584788

Claim:
An exhaust system for a motorcycle which has: a vehicle body frame including a pair of right and left main frames, a pair of right and left body frames coupled to rear end parts of the main frames respectively, and seat rails provided to bridge between the main frames and the body frames; a rear wheel swingably supported by the vehicle body frame via a rear wheel suspension system; an engine mounted on the vehicle body frame; and an exhaust system coupled to the engine and mounted on the vehicle body frame, the exhaust system comprising: an exhaust pipe connected to a cylinder head of the engine; and a pair of right and left silencers connected to said exhaust pipe and disposed in right and left sides of the rear wheel respectively, wherein said exhaust pipe is, after being curved, routed extending rearward in one side in a vehicle width direction, through a region formed below an intake path and above a case main body of the engine in a rear of the cylinder head and in a front of said rear wheel suspension system, when viewed from a vehicle side, and connected to the silencer of an other side in the vehicle width direction through space formed in the outside in the vehicle width direction of the rear wheel suspension system and in the inside in the vehicle width direction of the body frame of the other side, and said exhaust pipe is provided a branch section in the region in which a branch pipe is branched, and the branch pipe being connected to the silencer of the one side in the vehicle width direction through space formed in the outside in the vehicle width direction of the rear wheel suspension system and in the inside in the vehicle width direction of the body frame of the one side.