startes hard too here we go last season i stared having this problem so i turn idle screw up on linkage worked better but shifted hard winterized and forgot about it this spring first time out i installed water seperator never had one before ran great first two times out. even turned idle down to 700rpms use boat say two weeks later back to running rough at idle and low speeds changed water seperator no change new plugs new ball new fuel lines rebuilt fuel pump checked comprestion 90 to92 all clinders anybody got any ideas repowering or alot of money is out of the question hull isn,t worth that much