I am in no way suggesting that I am an expert on small motors, as far as I'm concerned, this is what husbands (and as a last resort, small motor mechanics) are for, however I occasionally find myself home alone and in need of using one of our many small motors. This is intended as a short guide for occasional operators of small motors, such as myself. Husband shows off some of our collection of small motors (note Cheryl, bottom left, would prefer he just threw the ball) Small motors come in two types, two-stroke and four-stroke. It is ESSENTIAL that you know which you are dealing with if you need to re-fuel as the most important difference from an operating point of view is that a two-stroke engine needs to have oil mixed with the fuel at a specific ratio, whereas a four-stroke engine takes neat fuel (petrol or diesel) with a separate oil reservoir. If you're interested in the more technical reasons for this (and sometimes that helps me to remember the important...