| 摘要 |
PURPOSE:To prevent the output reduction of an engine caused by lack of the intake air feed quantity or the temperature rise of the intake air by providing a running air guide port on a rear cowling, and providing a guide means guiding the air guided from the guide port to the vicinity of the air intake port of the engine. CONSTITUTION:A motorcycle 1 has a rear cowling 30 covering the seat rail pipe (not shown in the figure) of a vehicle body frame 2. Running wind guide ports 30ra, 30rb and 30la, 30lb are formed respectively on the right and left side walls of the cowling 30, and a running air guide port 30u is formed on the top wall of the cowling 30. A bulkhead 30 is provided inside a front cowling 30 to form a chamber 32 in the front cowling 30. Pipes 33r, 33l are fitted to the bulkhead 31, and the front end sections 33rb, 33lb of the pipes 33r, 33l are arranged near the air intake 7 of the carburetor 6 of an engine 3. |
