kicker recommendations

[Steplift 72']

I tried a 6 hp Evinrude for kicker on a 17 Aquasport. I used it once when the 115 quit, pushed my boat about 3 mph flat calm seas. After that boat I always carried a bigger kicker or had twins. I've had a 9.9 four stroke and 25 two stroke since then, both worked well. I doubt a 6 hp kicker would move a V20 if you were going against any wind or waves. I sold the 9.9 Yamaha four stroke for $500 to a guy with a 30' sailing cat.