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Old 10-02-2020, 11:56 AM
  #4  
Tom W Clark
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Join Date: May 2005
Location: Seattle, WA
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I found this performance report that suggests the top speed should be significantly higher, closer to 44 MPH

https://yamahaoutboards.com/en-us/ho...2014-11-04_occ

If this holds true for the boat in question, then a 17” pitch prop is going to be appropriate. Any of these three are worth trying:

14-1/4” x 17” Yamaha Turbo 1 (same geometry as the Performance 3-Blade, but uses different hub)
14-1/4” x 17” Reliance SDS
13-3/4” x 17” Yamaha Painted Stainless Steel