Performance 15 hp to 20 hp

[Lucalino]

Performance 15 hp to 20 hp

Hello

I use a 15 hp Mercury 4 stroke outboard.
I should have heard the engine of identical contact with a 20 hp / 4 be.
There are only different parts carburetor I sein.wenn the few replacement parts
I can then improve performance?

thank you

[boats.net]

Not sure what it would take to get 20 hp from it, we don't make horsepower modifications here and not sure if changing parts would work.

[JUST-IN-TIME]

Your going to get maybe 2 MPH for around $2000, is it worth it