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hi


You are replying to:
TET62
Posted 10/27/2007 6:14 PM (#281459)
Subject: Prop for Yamaha 90-4 stroke





Posts: 109


Location: Spencer, Wisconsin		I am looking at improving my top end and overall performance of my 90-4 stroke yamaha G3 V170 boat. The current prop is the alumimum 13 1/4 X 17 K and the top end is 35-36 mph at 6000 rpm. I've looked at several sites but really would like to know if i go larger pitch and diameter would achieve my target of low rpm and high speed or go smaller? I know i will need to go to a SS-prop to achieve my goals but which way?

Desired targets are 5000-6000 rpm @ 40-42 mph any suggestions on diameter and pitch?

Thanks

Edited by TET62 10/27/2007 6:16 PM

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