To provide a vehicle in which leakage of engine intake noise to the outside is suppressed.

An motorcycle (vehicle) 1 comprises: an engine 24; an air cleaner 17 connected to the engine 24; a main duct part 19a disposed to the air cleaner 17 and flowing air into the air cleaner 17; an open/close valve 21 disposed to the main duct part 19a, and preventing the air from flowing from the main duct part 19a to the air cleaner 17 by closing an inner circumferential surface 19g of the main duct part 19a; and a seal member 22a having at least seal function for suppressing generation of a gap between an upper side face 21d of the open/close valve 21 and the inner circumferential surface 19g of the main duct part 19a when an opening part 19d of the main duct part 19a is closed by the open/close valve 21.