Ok, so it's obvious that a 2-stroke makes 2 strokes of the piston to every power stroke while a 4 stroke makes 4, but it wasn't until I had to work on these engines that I really started to understand how they work. While the 4 stroke motor is the new driving force for R&D and motocross nowadays and the 450 4-stroke dominates the race track, the 2-stroke still has it's place in my opinion. The simple design, and..

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