Exhaust system, a saddle riding type vehicle having the same, and a method of manufacturing and mounting an exhaust pipe

摘要

An exhaust system includes an exhaust pipe (11). The exhaust pipe (11) includes an outer pipe (35) and an inner pipe (37). A first through-hole (B1) and a second through-hole (B2) are provided in a peripheral surface of the outer pipe (35) and a peripheral surface of the inner pipe (37), respectively, to receive an exhaust gas detector (40). Third through-holes (B3) are provided in the peripheral surface of the outer pipe (35), at a different position than that of the first through-hole (B1). Since the third through-holes (B3) are provided in the outer pipe (35), a liquid can be drained promptly from a space between the outer pipe (35) and inner pipe (37). Exhaust gas can be prevented from being discharged to the atmosphere by sealing the third through-holes (B3).