[Object]To enable an engine unit including a unit swing engine, a catalyst unit, and an exhaust gas sensor to be built compactly in a saddle riding vehicle.[Solving Means]A saddle riding vehicle includes: a unit swing engine 13 that includes a crankcase 43 and a cylinder portion 44 having a cylinder axis extending from the crankcase 43 in a vehicle fore-aft direction and that is swingably supported on a vehicle body frame 12; a radiator 60 disposed beside the crankcase 43; an exhaust pipe 77 connected with the cylinder portion 44; a catalyst unit 121 disposed in the exhaust pipe 77; and an exhaust gas sensor 141 disposed in the exhaust pipe 77. In the saddle riding vehicle, the catalyst unit 121 and the exhaust gas sensor 141 are spaced apart, in a side view, from each other in the vehicle fore-aft direction with respect to the radiator 60.
SADDLE RIDING VEHICLE
SATTELFAHRZEUG
VÉHICULE DU TYPE À SELLE
2021-05-26
Patent
Elektronische Ressource
Englisch
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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |