Abstract: A vehicle includes: an internal combustion engine used for traveling and including a crank case and a cylinder block connected to the crank case; an air cleaner that purifies intake air to be supplied to the internal combustion engine; and a breather tube that is connected to the crank case and the air cleaner and supplies a gas in the crank case toward the air cleaner. A connection portion between the breather tube and the crank case is located at a first side of a vehicle width direction middle of the cylinder block in a vehicle width direction.

Abstract: A saddle riding vehicle includes: an engine disposed between a front wheel and a rear wheel; a fuel tank disposed above the engine; a generator mounted to a crankshaft of the engine; and an inverter that supplies output of the generator to a battery. The inverter is disposed behind a head pipe, above a crankcase and below the fuel tank.

Abstract: A hybrid straddle vehicle includes: an internal combustion engine; an electric motor that generates power to be transmitted to a driving wheel; an inverter that controls electric power to be supplied to the electric motor; a first radiator that cools the internal combustion engine; and a second radiator that cools at least one cooling target selected from the group consisting of the electric motor and the inverter, at least a part of the second radiator overlapping the first radiator when viewed from a vehicle front side, the second radiator being located in front of the first radiator.