Posts: 3507
Location: Elk River, Minnesota | Hiya,
There is this thing called a hull ID number that every boat has that would identify the make and model of the boat, which could then be linked to a specific maximum weight and HP rating, given it is below 20 feet long if memory serves me correctly on that length.
When you insure a boat, this number will be requested. Now, if you talk with the insurance company about repowering with a motor rated higher than the hull's USCG rating, you "might" be able to get away with it, but to use the plate that is on it as reason to overpower, that, I feel is asking for trouble if you ever get into an accident. Playing dumb probably would not work here because the owner of the boat should know what they have and what they are purchasing, thus that hull ID number would be a sticking point yet again.
One must also consider if they do decide to repower higher than 90 hp the need for hydraulic assist is probably in order as well. That is an added cost also.
I think sticking to the 75 is a smart idea. If anything, look for the largest displacement motor you can find as that larger displacement means power. And...the 4 blade will do well on it given pitch and diameter allow the motor to reach its maximum rpms when lightly loaded.
Steve
Edited by VMS 2/9/2014 4:50 PM
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