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Discussion Starter #1
I am currently running a 25 Yami on my Classic. My Gheenoe has fron and rear deck and a jackplate. Myself and another angler I get roughly 28 mph on stock prop. Is this more or less average? What type of prop would be ideal for my set up? My jackplate is currently set all the way up 3". Also would a Dol-fin help?

thanks :cool:
 

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Discussion Starter #2
I would like to get a little more top end with not losing to much hull shot.
 

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Porer tech 12 pitch cupped 4 blade ... I think It's an SRA

Souped up motor Probably putting out 18 + hp ...

http://www.youtube.com/watch?v=Sou_C8PTLlA
 

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Founder of Microskiff, Member of the Gheenoe Army
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Go with a 3 blade for more top end. Having a jack plate and raising the motor to the optimal height will get you an additional 2 - 3 MPH.
 

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Cert. Yamaha technician
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Sounds like your not far off.. I have your same setup but i added power trim an it made a world of difference. Not only in speed but ride quality
 

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Glad to hear that I sold a 13 and was hoping he would be OK ... he said he loved it :) "others" Endorse a 9 pitch :eek: Do not know why ...sounds awfully flat LOL


13 powertech with cupping is perfect
 

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I sit at a desk so I can stand in a boat!
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i run a 20hp 4stroke yam..... on a classic with front/rear decks and two well "anchored" anglers and run out at 25mph with a 3 blade 9 1/4...
 

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A friend has the same motor on a Classic and he gets about the same speed.

A SE 200 foil was suggested here for the Yammy 25. I have that motor and the foil but don't have it on the boat yet.

http://www.sesport.com/5_29.asp
 

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Do before and after tests and let us know ...
 
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