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Old 09-24-2011 | 03:29 PM
  #6  
captinjohn
 
Joined: Jan 2002
Posts: 12,957
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From: Hesperia Michigan, MI
Default RE: compression


ORIGINAL: Ernie Misner

The orientation of the ring gap plays a factor in the side forces when being turned one way or the other also. Normal but strange (at first stuff)

Another interesting anomaly is that a 4 stroke will seem to be weak on compression when being turned over when the carb barrel is fully closed.

Ernie Misner
That is because when carb is fully closed....its hard to get a full shot of air on the intake cycle to make compression. After all...it is the amount of air that is squeezed into a smaller place. Not much air in=not much compression! Capt,n