zeroturn mower for a bass boat

I have a wright sentar mower with a 25 hp kawasawki engine that has started smoking a little. It has a 61 inch deck on it and is one grass cutting machine. I also have a ezgo golf cart that needs rebuilding. What i would like to do is trade somebody for a 90's model bass boat that may need a little attention or a 90's model outboard motor in good shape. Nedds to be 40 to 60 hp. I have a 40 hp johnson and the foot is shot and i justy want to replace it. I would either consider buying one straight out if the price is right. Thanks Brent