Exhaust gas purifying device for engine

摘要

An exhaust gas purifying device for a straddle-type vehicle, comprising a secondary air supply pipe (23) having a connecting portion (23a) connected to an opening formed in the side of the exhaust pipe (15) upstream from the catalyst (22); and a silencer (30) including a cylindrical hollow body (32) and a lid member (34) that is formed with a through hole (34a) through which the exhaust pipe (15) is inserted and a through hole (34b) through which the secondary air supply pipe (23) is inserted, wherein the exhaust pipe (15) extends rearward in the silencer (30), and the secondary air supply pipe (23) extends rearward in the silencer (30) along the exhaust pipe (15) and then is bent to the exhaust pipe (15) side and connected to the opening formed in the side of the exhaust pipe (15).