I have the tohatsu 50/35 on a flat bottom (1752). In 6+" of chop, it cavitates at WOT unless I trim it way down, but the WOT ride of any flat bottom in chop isn't fun anyway so its not an issue for me. With 3 batteries and 2-3 people on a 17 footer, the motor is only just adequate for fishing. I think it would be a hoot on a 14 footer rigged light.
One thing to know: Although the motor is 20-25% lighter than the other fuel-injected motors in its class (60/40 merc, 60/40 etec), it also uses a smaller pump than those other motors.
For something with 98 hours, $7,000 doesn't sound like much of a discount off the new prices I've seen on the internet, unless the 2014 warranty is transferable. And if you can't reverse the motor mods, it might be problematic to get warranty work done.