Patent ID: 8479862
Filing Date: 2013-07-09
Classification: B62K,F01N

Abstract:
1. An exhaust device for a motorcycle including a head pipe supporting a front wheel via a front fork, a main frame extending obliquely rearwardly and downwardly from the head pipe, a pair of left and right pivot plates resulting from bending a rear portion of the main frame and extending downwardly, a swing arm swingably attached at a front end to the pivot plates and supporting a rear wheel at a rear end, an engine disposed in a space below the main frame, comprising: an exhaust pipe having one end connected to an exhaust port of the engine and the other end side passing between a side of the engine and the main frame and extending rearwardly; and a muffler attached to an rear end of the exhaust pipe; wherein the exhaust pipe intersects the main frame as viewed from a lateral side, branching at a branch joint into a plurality of portions at a position forward of an intersecting position, and includes: