Patent ID: 7475748
Filing Date: 2009-01-13
Classification: B62K

Abstract:
1. A rear structure of an all terrain vehicle, the all terrain vehicle including: a vehicle body; a vehicle body frame having left and right frame members connected integrally to each other; an engine unit including a belt transmission on one side thereof and mounted to a central lower portion of the vehicle body frame; an inlet duct for introducing a cooling air, the inlet duct forcibly freshening an air within a belt case in which the belt transmission is accommodated so as to cool the belt transmission; an exhaust duct for discharging an exhaust air which has cooled the belt transmission; and an exhaust muffler device disposed at a portion outward of one side of a rear portion of the vehicle body frame, wherein the belt transmission is arranged in a manner offset on a same side as the exhaust muffler device in a width direction, the exhaust duct extends rearward from a rear portion of the belt transmission so as to be disposed on the same side as the belt transmission and is detachably supported by the vehicle body frame, a fuel tank is arranged in a manner offset on a side opposite to the belt transmission and the exhaust duct with respect to a center line of the vehicle in a plan view, the exhaust duct is arranged in a space formed between an inside surface to a bottom portion of the fuel tank in the width direction of the vehicle body and the exhaust muffler device provided so as to face the inside surface of the fuel tank, and the exhaust duct is composed of a plurality of constituent members coupled to one another along an exhaust direction of the exhaust air flowing in the exhaust duct.