I have absolutely no compression when kicking my bike. Started first kick, compression was stout and ran perfect last weekend. All I did was wash it between then and now. I have 39 hours a this new piston and cylinder and 6 hours on new cam chain. I pulled valve cover and only found center intake valve out-of adjustment ( .16), but would this cause compression to be so weak? Spark plug Looks perfect also, nice tan color. I can easily move kicker by hand and can see piston moving freely through spark plug hole, no strange noises at all either just no compression at all.