AIR CLEANER, ENGINE UNIT AND STRADDLE-TYPE VEHICLE

摘要

An air cleaner is provided with an air intake port leading outside air, an exhaust port provided on the side opposite to the intake port, and a filter. The filter is disposed so as to extend to the exhaust port side from the intake port side. A side wall part of a case cover constituting a suction side air chamber is provided so that a distance between the side wall part and the filter gradually decreased to the back of the suction side air chamber from the intake port. A side wall part of the case body constituting an exhaust side air chamber is provided so that a distance between a side wall part and the filter gradually increased to the exhaust port.