Re: I/O vs. OB
I think Eddie's right, a DI 2-stroke OB will have the edge on power/wt, and with the weight a little farther back, would be able to get a little more hull out of the water, so I think it'd have a little more top speed. With the heavy 4-stroke OB's, there might not be that much difference. The CG would be a little further forward with the I/O however, so it might ride a little better, and actually be able to cruise faster in rough water! So there are trade offs as usual - I guess it comes down to how you want to use the boat!
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