Where did you see something like that? I'm pretty sure that would be illegal. I don't know of any 16' boat that would be rated for a 300HP motor.
02-11-2017 04:15 - edited 02-11-2017 04:22
In the United States we have Federal regulations concerning powerboats, both commercial and recreational.
The US Coast Guard enforces these plus we have organizations that have industry accepted standards that many boat builders go by. One is that for boats under 20' long, there has to be tests conducted and placards installed telling the maximum weight allowed and the maximum horsepower allowed.
Racing boats are exempt but all other recreational craft are required to abide by the regulations.
In bass and other fishing tournaments, the boats have to be legal and most 250-300 HP engines are on 20 to 22' boats.
You can peruse many of the regulations online.
Code of Federal Regulations