Please read very carefully the listing is for the  BARE ENGINE BLOCK ONLY (crank pistons conrods etc still assembled nothing else included ) , from a mercury magnum 4 cylinder model 2stroke , I dont know the history of this engine came in a job lot of outboards , I have compression tested before stripping readings of 110 ,120 ,125, 120 which is very good , This is not a seized engine crank turns freely by hand and feels nice , you can see on the last picture has a very small hole in the block think this might be where a pipe fitting has snapped off ? This would be ideal for parts if you have a seized engine or one with low compression and looking for a donar engine to rebuild yours . Selling as PARTS ONLY NOT WORKING  with no returns given . please see my feedback for outboard spares sold in the past .