| 摘要 |
PURPOSE:To lower the density of parts inside a frame and facilitate the arrangement of said parts as well as maintenance by placing a part which is positioned on the upper course side of a carburetor and occupies a large volume in a suction system, on the outside of a frame. CONSTITUTION:A front fork 8 is connected to a steering shaft supported by a head pipe 2, by means of upper and lower brackets 6, 7. The periphery of a steering handle is covered by a cowling 22, which is screwed to a main frame 3 and a down tube 4 and is supported by the frame 3. Spaces are secured between the insides of the cowlings 22, 22 and the outsides of the main frames 3, 3 and the down tubes 4, 4, and intake chambers 26, 26 which are provided on the upper course side of carburetor, among the air-intake parts, are placed in these spaces, in positions out of the swinging ranges of the forks 8, 8. |
