| 摘要 |
PROBLEM TO BE SOLVED: To enable to increase the suction capacity by enlarging the intake air box while maintaining the engine compact. SOLUTION: An exhaust pipe 14 connected with the cylinder of an engine 7 is extended along the direction of cylinders arranged. An intake pipe 21a is connected to the side of the cylinder. This intake pipe 21a extends outward relative to the cylinder, and to the end of which, an intake air box 22. At least part of the intake air box 22 is located below the exhaust pipe 14. |
