| 摘要 |
An outboard motor for mounting on the transom of a boat, has a horizontal engine and output shaft, an exhaust system having a high speed exhaust discharge includes a horizontal portion and a vertical portion having an enlarged cross sectional water jacketed muffler within a water chamber having a retaining wall defining the water level, and a low speed exhaust discharge extending from the muffler into a conduit having an end disposed below the water level of said water chamber, a low speed exhaust gas expansion chamber receiving exhaust gas and expelling same to the atmosphere. The outboard motor is tiltable and provides an enclosure for the engine area including a cowling, hood, and moveable hood section and a sleeve between the moveable hood and engine to perfect enclosure during tilting.
|
