Prop upgrade

MMCOREYUSN

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I have a standard aluminum prop for my 115 yamaha and wanted to go to stainless steel because my lake has some debries. Right now it's a 13 1/2 x 15 should I stay they same pitch? I have a 21 slx with the sps package if that makes any difference. I was looking at solas props but can't seem to figure out which size I should go to. Right now I hit 32 mph but top end isn't as big of a deal want little bit more acceleration for tubing and skiing so should i go with a cupped prop? Any help would be greatly appreciated.
 

DejaWiz

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Pontoon Series 14x13 stainless is what most of the Yamaha Performance Bulletins are showing for the F115 affixed to pontoons.

6H1-45978-00-00


 

DejaWiz

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I ran some info through the Yamaha prop selector (link underneath the picture below), but I put in 5950 RPM as your current WOT with your current 15 pitch prop. You can adjust as necessary, since it will probably give you different recommendations.

Alas, here is what it gave me:

Screenshot_20200902-070156.png


 
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