Hickory,thanks,,,sounds like you know a thing or two about these little 2 strokes,,,,I think I will just put screens back on for now,,,,noticed when I took the weedeater screen off,[its an echo too],that it wasn't even close to being clogged,[hardly had any soot in it],,this is after about 3-4 gals of fuel ran through it this past spring and summer,,and ran great when I run it last last week,,,havn't done any adjustments to carb either,,,,yeah thats the thing about one of these echos or stihls,,,the place that sells them,,sevices them,,,here anyways,,thats why I wanted one of the two,,,when either start to run a little ragged,will take them to where I bought them and tell them it needs its first tune up,,,which ,now I know means a carb adjustment with,,a timing devise of somesort,,,[think the manual actually says this and gives model and discription of said tool],,,thanks again,,,thingy