Mechanical propulsion is great, it can power your vessel through the water, as well as power your alternator to charge all your electrical needs aboard. This is all great, except that starting these mechanical marvels requires one key step: Starting.
Electric starters are great if you have the electricity to power it. What if your batteries are dead and you discovered the need to crank up? You could wait for your solar panels to charge up your battery bank over the next several hours, or you could hand start your motor.
The video below shows how amazingly simple it is to start your motor by hand.