In an exhaust structure for a saddled vehicle in which a unit swing engine is provided, the degree of freedom of the arrangement of a catalytic device can be enhanced and the catalytic device can be arranged in a compact manner.In an exhaust structure for a saddled vehicle including a unit swing engine 13 swingably supported via a link member 38, an exhaust pipe 36 connected to the unit swing engine 13, and a catalytic device 60 arranged in an intermediate portion of the exhaust pipe 36, the link member 38 is arranged above the crankcase 34, and at least part of the catalytic device 60 is arranged below the cylinder 35 and is positioned in a region between a virtual line L1 and a virtual line L2 in side view, the virtual line L1 connecting a pivot shaft 39 for connecting the link member 38 to the vehicle body frame 12 and a front end 34a of the crankcase 34, the virtual line L2 connecting the pivot shaft 39 and an exhaust pipe connecting portion 35e of the unit swing engine 13 to which an end of the exhaust pipe 36 is connected.
EXHAUST STRUCTURE FOR SADDLED VEHICLE
AUSPUFFSTRUKTUR FÜR SATTELFAHRZEUG
STRUCTURE D'ÉCHAPPEMENT POUR VÉHICULE À SELLE
2022-04-13
Patent
Electronic Resource
English
IPC: | F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |