Structure of motorcycle exhaust pipe

The structure allows the exhaust air to flow uniformly and smoothly. An exhaust pipe (51) is connected to an exhaust port (14a) of said motor (14) and is provided with a branch pipe (74), which branches into an exhaust pipe rear portion left (76) and at a right rear portion exhaust pipe (77) and exhaust pipes (52), each connected to a respective pipe of the exhaust pipe left rear portion (76) and the pipe exhaust right rear portion (77). The branch pipe (74) is located on a lateral side of a cylinder unit (44) of the motor (14) and above a crankcase cover (65).