This ski will idle all day. As soon as you try to take off it falls on its face. If you take off hard it will jump out of the hole, plane off and almost immediately die. You hit the start button and it starts right back up. The carbs are spotless and all three fuel pumps look great. The fuel selector is clean and it does this in the on or res position. The fuel filter is also new. Compression is 117,115,118. I put new plugs in it and after running on the hose all three were nice and tan. After running at the lake the ceramic is white and the tip is gray.