Even if you learn about marine outboard components compared to the normal "landlubber", you might however not become a fullfledged specialist. So, which marine outboard pieces should you be buying? If given the choice, go for Mercury outboard parts.
When you have any hesitation about having spark from your ignition take away the spark plugs and together with the plugs mounted on the plug cables and the bottom of the plugs sleeping against a surface level, turn the motor around and watch for spark.
This refers to the angle of the motor towards the shell. The ideal direction should be one in which the hull is in place of plowing through the waters on the surface.
4-stroke motors are more inexpensive, easier and quieter. Heavier with slower velocity, they're commonly chosen for ponds and rivers. With less pollution and smoke they are also kinder to the surroundings. If you are following a quieter, softer ride, then a 4stroke Clique aqui will be the better option.
There are some bad sides of the 4-stroke engine like sophisticated layout, difficulty in fixing, costly etc. but nevertheless with technology being increased these drawbacks will really turn into a matter of past soon.
NOTICE: Don't overspeed the exercise or drive too hard on the soft aluminum alloy since it is fairly soft and might be destroyed effortlessly. The paint coating is generally quite thin and easily eliminated.
And, thankfully, Mercury did one very important thing when it created its marine engines; it made them like automobile engines. Thus, if you know your way around a-car engine, you will be able to find your way around a Mercury engine. This way, if anything ever does make a mistake, you won't actually be "up the river without a paddle"!