| An outboard motor is just a self contained engine | | | | boat and be used immediately. These come in |
| that sits outside rather than inside a boat. Most | | | | sizes measured in Horse Power with most |
| engines are comprised of the basic engine and a | | | | manufacturers producing a range of models from |
| cooling system plus associated electrics that are | | | | 2 to 300 horse power with the higher number |
| required to make it work and then attached to | | | | meaning more power. The only external |
| the engine would be a gearbox which in turn | | | | component that may be required would be a fuel |
| would be connected to the propeller via a drive | | | | tank on some models. Most small outboards come |
| shaft. An outboard engine contains all of these | | | | complete with a built in fuel tank but larger |
| items but they are designed into one unit that can | | | | engines which would use more fuel would use an |
| be hung and secured over the stern (back) of a | | | | external fuel tank to give a larger fuel capacity. |