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Check out previous threads under "engines" to find discussions regarding repowering 16/17 hulls - tons of good info.

Per this link below, I think the new 2017 Yamaha F90 weighs in at 353lbs - because it says the new model is 13lbs lighter than the previous model (which was 366lbs). I have not yet heard a report on this 2017 motor on a 16/17 hull, but it should be good.

http://2017newproducts.yamahaoutboards.com/

From my experience, the F70 at 257lbs is a great match for the 16/17 hull. The power / weight ratio is a nice balance, it sips fuel, it's very quiet, reliable and very quick & responsive. I moved the batt under the console as well.

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