Exhaust device provided with oxygen sensor

An exhaust device including an exhaust pipe mounted on an engine, and a muffler coupled downstream of the exhaust pipe, the exhaust device comprising:

• a catalyst which cleans exhaust gas provided in the exhaust pipe or the muffler, and
• an oxygen sensor mounted on a pipe portion that is disposed downstream from the catalyst and that is directly coupled to the catalyst,
• wherein the oxygen sensor is provided perpendicular to an axial direction of the pipe portion through which the exhaust gas flows, and
• wherein the oxygen sensor includes a detecting portion, the detecting portion is disposed in a recessed portion formed in the muffler, and the wire that extends from the oxygen sensor is disposed on an outer side of the recessed portion.

An exhaust device comprising:

• an exhaust pipe mounted on an engine;
• a muffler coupled downstream of the exhaust pipe;
• an oxygen sensor;
• a catalyst which cleans exhaust gas in the muffler;
• a muffler cover disposed on an outer side of the muffler of the motorcycle;
• and
• a pipe portion through which the exhaust gas cleaned by the catalyst flows disposed on a downstream side of the catalyst of the muffler,
• wherein the muffler is disposed laterally to a rear wheel of a motorcycle, and
• wherein the oxygen sensor is mounted on the pipe portion and disposed between the muffler and the muffler cover;
• and
• wherein the muffler cover includes a wire retaining portion that retains a wire that extends from the oxygen sensor.