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Old 01-31-2010, 08:00 AM
  #45  
Roelof
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Originally Posted by RacerScott
So basically what you saying is that when the piston is on its way down, and the exhaust escapes the rear port, some fuel also goes through the rear port from the intakes until the rear port is sealed again. The ports can be shaped to control this better.
Yes, that is 2-stroke, and thats why the exhaust is very important, a bad length will cause a bad timing on the shockwave keeping burned gasses with the fresh fuel or loosing a lot of fresh fuel.
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