Re: suggestions for a new motor.
Is a 40 or 50hp going to be enough motor to push a loaded 17' fiberglass tri-hull? Surely that hull is rated for more than 50hp. A good rule of thumb is to put no less than 80% of the rated max on a hull. Much easier to back off the throttle than to add when there's none there.
Out of curiosity, were the E-tecs even made back in '01? I thought they came out just a couple years ago?