Hey everyone. Im having a problem with my echo power head that i use mainly for hedge trimming. I noticed when i was using it yesterday that it started to smell and i noticed smoke was coming out of the muffler from it being hot. This didn't seem like burnt oil smoke, it was smoke from being hot. Id say it took about 30 min of use before it started this. The unit is pretty new and has been well cared for. Has anyone had any trouble like this? What do you think it is? I have never had anything like this take place in past years. I use the same gas mix for my other equip and there working fine. Thanks for any ideas.