I'm just about to give up on this one, it came here yesterday with no oil in it I checked the oil 2 days earlier and it was fine, I also had the blade carrier off and no sign of the bottom seal leaking. When the bloke brought it here the pull start wouldn't move and I tipped it sideways and the blade carrier was locked up. My son freed it up and I got it started with no issues. I fitted a new seal but now all I can get it to do is start on choke but it is half hearted and as soon as I move the lever it cuts out. The plugs have all been very black and failed. Put another new plug in it tonight, minimal improvement and I drained the fuel and put some of my fuel in it. I am running out of ideas now