| Outboard motors on boats where developed as a | | | | rudder rather the propeller provides power; |
| self-contained unit with engine systems and a | | | | the transmission leg stays in the water. |
| propeller. It is mounted at the stern or | | | | When boats are about to enter shallow water |
| rear of the boat and is the most common way | | | | or be taken off the water, the outboard motor |
| to propel small boats. It provides steering | | | | should be tipped forward over the mount so |
| controls and is designed to pivot and control | | | | that you can elevate the propeller and take |
| the orientation of the propeller.Acting as a | | | | the transmission shaft out of water. |