A vehicle comprising: a body frame configured to be caused to lean to the left of the vehicle when the vehicle turns to left, and caused to lean to the right of the vehicle when the vehicle turns to right; a left front wheel and a right front wheel arranged side by side in a left-right direction of the body frame; a rear wheel disposed behind the left front wheel and the right front wheel in a front-rear direction of the body frame; a link mechanism configured to change the positions of the left front wheel and the right front wheel relative to the body frame, thereby causing the body frame to lean to the left or to the right; a front cover covering at least a part of the link mechanism; a steering device configured to turn the left front wheel and the right front wheel; an engine unit including an engine and disposed behind the left front wheel and the right front wheel in the front-rear direction of the body frame; an inner fender having a lower cover portion disposed behind rear ends of the left front wheel and the right front wheel in the front-rear direction of the body frame; disposed ahead of the engine unit in the front-rear direction of the body frame; and disposed below upper ends of the left front wheel and the right front wheel in an up-down direction of the body frame; and characterized by a fan configured to generate, at least when the vehicle is running, an air flow for cooling a part of the engine unit to dissipate heat generated from the engine; and a ventilation opening configured to cause, at least when the vehicle is running, an air flow directed to the fan to pass through, wherein under a condition that the body frame is in an upright state and a condition that the left front wheel and the right front wheel are not turned by the steering device, the ventilation opening is disposed directly behind the lower cover portion in the front-rear direction of the body frame, disposed ahead of a rear end of the rear wheel, disposed on the right of a left end of the left front wheel in the left-right direction of the body frame, and disposed on the left of a right end of the right front wheel in the left-right direction of the body frame. a body frame configured to be caused to lean to the left of the vehicle when the vehicle turns to left, and caused to lean to the right of the vehicle when the vehicle turns to right; a left front wheel and a right front wheel arranged side by side in a left-right direction of the body frame; a rear wheel disposed behind the left front wheel and the right front wheel in a front-rear direction of the body frame; a link mechanism configured to change the positions of the left front wheel and the right front wheel relative to the body frame, thereby causing the body frame to lean to the left or to the right; a front cover covering at least a part of the link mechanism; a steering device configured to turn the left front wheel and the right front wheel; an engine unit including an engine and disposed behind the left front wheel and the right front wheel in the front-rear direction of the body frame; an inner fender having a lower cover portion disposed behind rear ends of the left front wheel and the right front wheel in the front-rear direction of the body frame; disposed ahead of the engine unit in the front-rear direction of the body frame; and disposed below upper ends of the left front wheel and the right front wheel in an up-down direction of the body frame; and characterized by a fan configured to generate, at least when the vehicle is running, an air flow for cooling a part of the engine unit to dissipate heat generated from the engine; and a ventilation opening configured to cause, at least when the vehicle is running, an air flow directed to the fan to pass through, wherein under a condition that the body frame is in an upright state and a condition that the left front wheel and the right front wheel are not turned by the steering device, the ventilation opening is disposed directly behind the lower cover portion in the front-rear direction of the body frame, disposed ahead of a rear end of the rear wheel, disposed on the right of a left end of the left front wheel in the left-right direction of the body frame, and disposed on the left of a right end of the right front wheel in the left-right direction of the body frame.