Originally Posted by CoastalCruiser
SOUNDS LIKE MAYBE A HUNG RING. (sorry damn caps). Yank the head and carefully pull the cylinder and see if you have a broken or unseated piston ring hanging up on one of the ports. If so then you'll need th replace the top end or get a replacement from your dealer. If that aint it then you might have a dangling rod bolt.
ok would this explain the ability to turn over one time then jammed the next? frigging POS I spent 3 days straight building this thing :P