procharger Posted January 25, 2017 Report Share Posted January 25, 2017 Looks like the oil was coming from the bolt that you screw in the pin to lock up the motor for prop slip or gear box slip check, replaced the washer and now appears to be gone no residue on cowl after an hour of flying no signs of oil anywhere else, Only took 30 min, before and I would see oil, it,s amazing how wind in the cowl will spread a little oil around in certain places. Had oil between head and Cylinder, push rod tube a little on bottom of cylinder, oil did not run down the sides of head just right in the middle making it look like it was leaking there on top. Got lucky this time. Link to comment Share on other sites More sharing options...
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