Hi!
I've got a Evolution .36 engine in my Extreme flight outlaw. I've only had it running about 10 times, without any apparent issues.
Last time I got to the field, I just couldn't seem to get it fired up. Last time I also had problems, but managed to start it at last. But this time, I noticed it would not suck any fuel!
When trying to prime it, by holding the finger over the carburetor and turning the propeller, it would not suck any fuel!

I could hear a "fizzling" sound when turning the propeller and it would loose compression if I held it under compression. So when I got home i checked it out more closely, and here is what I found: http://www.youtube.com/watch?v=N63A_TREwf0
It appearantly realeses air between the liner and piston!

So my question is, could this be the solution to why it won't suck any fuel? Or is this normal?(I don't have very much experience with glow-engines)

Or could it be something else causing the problem?