An air cleaner device for a vehicle includes an air cleaner case 70, which is partitioned into a dirty side chamber 75 and a clean side chamber (76) and has a filter element 71 therein, and a plurality of intake ducts 80L and 80R for leading outside air in...

A saddle type vehicle (1) comprising a frame (2), an engine (3) supported by the frame (2), a swing-arm (7) swingably supported on the frame (2), a rear wheel (8) supported on the swing-arm (7), a rear suspension (9) arranged between the engine (3) and the...

The present invention provides an air intake structure of an engine capable of cooling intake air compressed by a supercharger by reducing pressure loss. An air intake structure of an engine (13) having a supercharger (20) supercharging air and an air inta...

In a saddle-riding vehicle, a separation device (60) is disposed in a blow-by gas path. The separation device (60) is positioned laterally on one side of a vehicle center line extended in a back-and-forth direction. At least a portion of an oil cooler (50)...

Provided is a saddle-ride type vehicle in which a long intake duct is disposed linearly in a limited layout space, so that intake noise can be effectively reduced. An intake duct (110) attached to an intake opening of an air cleaner (64) is caused to exten...

Subject: In a scooter-type motorcycle in which an engine is covered with a body cover provided with a pair of right and left footrests and a floor tunnel rising upward between the footrests, heat from the engine is prevented from having a bad effect upon a...

A down tube (5) extending diagonally downwards from a head pipe (3) to the front of an engine (2) is an angular cross section pipe, with a rib being integrally formed in a front surface inner side, extending vertically. A lower half side of a rear surface ...