Posts: 656
Location: Forest Lake, Mn. | A couple of comments. My big motor is a Yamaha 90 horse 4 stroke, my kicker is a Yamaha 15 horse 4 stroke, both are tiller motors. The main motor is Direct Injected. So I will disagree with Jasondag about larger motors having problems with extended periods of trolling speeds. Perhaps he is correct when refering to large 2 stroke motors. My old 40 horse 2 stroke had some of the problems he refers to that my 90 does not have.
I use my kicker usually to postion the boat for casting in high winds and waves when the electric bowmount won't do the job. I don't use it much for actual trolling unless I'm on a rare walleye trip and backtrolling. Even at 500 rpm the big motor is to fast to drag a livebait rig. I usually use the big motor for forward trolling.
As for the noise factor. The big motor is quieter than the kicker. At least the above water noise is quieter. How much noise is produced underwater, I don't know and have no way to compare that.
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