Howdy,
We have a Bayliner Capri 17 or 18' (it's 17.5" to be exact, so not sure if you round up or down) with a 90 HP Force.
Currently, it has a 13x19 prop...and it's absolutely horrible.
Boat runs good, idles good, etc...just doesn't like to go at all.
With just me in it(5'8" and 160 lbs)...