Let's open it !

Ok let's start with the cylinder head, it came out pretty easy, the gaskets are not sticking, and i didn't have to hammer the head to take it off.
Maybe it has been done recently :S

Just a quick exam of the compression chamber ceilings :
The left cylinder (on the right on the pic) is cleaner than the other ones, I think it didn't burn lots of mixture cause it was starving !