Many 2-strokes spit out a little raw fuel here and there, depending on how things are set. It's not a problem by itself. If the engine runs well at high power, idles well, and transitions well, then you are good to go, don't sweat anything else.

A reliable idle and smooth transition are the last things to work right as an engine goes though break-in. Many require more than 3hrs of runtime to be fully broken in.