2-stroke engines don't have an oil sump. There is no actual oil in the engine to lubricate it. So you have to mix oil with gasoline. Usually, it is in a 40:1 ratio, with 40 parts gasoline and one part...
The difference between a 2-cycle engine and 4-cycle engine is the 2-cycle only needs one revolution of the crankshaft to get to a power stroke, while a 4-cycle engine needs 2 revolutions. To help explain the two different types of...