Re: 2 stroke vs 4 stroke 9.9
The four stroke will use just regular gas, and since it only combusts every other time it comes to the top, so it uses less of it. The two stroke fires every time it comes to the top, and the oil is mixed with the gas. This oil is differnt from motor oil you put in a car, it is a TC-W3 equvilent. The four stoke has oil in it like a car, and will need to be change on a regular basis, like a car. If you keep the 4 stoke long enough, it will pay the extra cost by saving gas and oil. The extra weigh comes from the oil in the crankcase, valves, cam, etc. like in a car. Before, a 4 stroke would weigh twice the amount of a 2 stroke of the same horsepower, but the new technology has slimmed this a good bit.<br /><br />By the way, they will use the same gas, 87 octane.
