The fuel in the saw was what the shop put in, they filled both the oil and the fuel tanks, then tuned my saw. I installed an MS462R oiler, changed the dwg and installed the tach. I started the saw ran it just enough to check the tach. Yesterday I fell two trees both leaners , one I had to pull a bit. I was having trouble with the face even, I just could load the saw or the chain would stop. I'm doing the back cut on 1st tree and it started to go and huge hinge couldn't keep the saw cutting. I thought well its not broke in. I squared the butt on that tree, then went to fall the next one. This tree I had to pull a bit to get it in the lay. Same problem... this tree had a bigger hinge when it went just couldn't keep the saw cutting... neither tree needed a wedge, so the bar wasn't pinched. I let the saw idle a bit to cool then shut it off, when down to the house and check the compression. Majorly bummed... I have a small 5mm camera with a light build in that connects to my phone. I think I'll slide it in thru the plug opening and see what the cylinder looks like. Unless the compression release is faulty and yes I pulled the release back out when I pulled the cover. The saw does flood pretty easy...funny I was just in the shop yesterday picking up a couple plugs and had their tech check it because I just thought that not right to have to hold the throttle wide open to get it to start.