YS 140L not starting

[Prmoore at aol.com]

Engine doesn't want to fire. Symptoms:  
Fuel draw not the best, very little pressure in the tank, compression seems  
OK.  When we first pulled the cowl the fuel was to the filter which was the  
high spot in the line, after some fidgeting (not sure why) the fuel line had  
visible fuel to the engine.  
Removed the glow plug, put a few drops of fuel in the cylinder still  
basically wouldn't fire.  There we a couple of very minor puts while  turning with 
the starter after putting the fuel drops in the  cylinder.  Pulled valve cover, 
valve gap not the problem.  Glow plug  glows, check valve is in the correct 
direction.  If you put your  finger over the pipe exhaust can't feel any 
pressure pulses as we turned  the engine over.  This engine hasn't been run since 
comming back from YS  (supposedly rebuilt).
 
Phil

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