Great used 712 717 720 engine seadoo duel carbed engine !! Rotates nice and smooth !! Head was removed due to a broken water inlet!!It has .50 over pistons and  looks to be in great condition and rebuilt at one point!!No scoreing or pitting on pistons or cylinder walls!!sold as shown!! Look at pics for Refrence!! What u see is what u get!!No head!! Starter is included!! Great used seadoo duel carbed 720 engine duel carb engine!!Price will go up when relisted if not sold!! Thanks good 720 engine!!