Have debated the same thing and decided against the kicker. I get out maybe 10 times a year, and troll about 6 hours each time out. Thats only 60 hours a year, pretty sure the Yamaha (90 hp)can handle that. Speed not a factor as I am fishing for musky. When I looked at the costs to get a kicker, get it installed etc etc it just wasn't worth it. I