Yamaha has changed their site to what looks like for the worse. That motors operating range is 4500-5500 rpm. Not sure of the diameter but starting with a 17p maybe Yam saltwater series 3 blade SS is in the ballpark. You'll need to determine that the motor height is correct and then prop is correct by reaching the operating rpms. I had the 225 and now 250 ox66 and run a Solas 4 blade 17. The boat stays on plane a t a lower rpm and hits 5000 so I'm all happy.
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