Aimed at boatowners, this book explains how an outboard motor works and how to look after it. Covering both two stroke and four stroke engines it explains how even the most sophisticated of modern outboards use simple processes to convert fuel to power, and then looks at each of the sub-systems that allow those processes to take place: the fuel system; the ignition system; cooling and lubrication; the electrical system and transmission and controls. The book concludes with sections on routine maintenance and fault-finding, including a photo sequence showing the vital first aid required to save the life of an outboard engine that has ben dropped overboard.