| 摘要 |
PROBLEM TO BE SOLVED: To provide an engine capable of increasing output of the engine and housing an enlarged muffler in the specified capacity, and a small planing boat provided with the engine. SOLUTION: A cylinder 5 is so arranged as to extend diagonally up from the axis of a rotary shaft 2 of an engine E, an intake air introducing device 6 is arranged diagonally up on the other side, and a muffler 13 is arranged between the cylinder 5 and the intake air introducing device 6. This engine E is housed in a hull 3. |
