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Old 17 November 2012, 09:29   #1
Country: Canada
Town: Gibsons
Boat name: Hokie Pokie III
Make: AB
Length: 3m +
Engine: outboard
Join Date: Oct 2012
Posts: 13
SS vs AL prop on a 15HP 2 stroke?

I will be starting to get my 3m RIB and 15 HP Yamaha 2 stroke rigged shortly. Assuming that when I get everything dialed in, and the stock aluminum 9 1/4 x 11 J prop will allow the engine to run within the correct RPM range, would there be any advantage in switching to a Stainless prop? I'm a bit surprised at how crude the Yamaha prop looks, but perhaps it's not an issue with engines of this size.

1993 Bayliner 3288, 351 Fords, converted to tuned port programmable EFI. 2012 AB 9.5AL RIB, Yamaha 15MSH (tender)
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Old 17 November 2012, 12:44   #2
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,621
I would say very little advantage, and a fair disadvantage in that if you do clip a rock or other hard item, you may do damage to the lower unit.

BTW, the only time you see the prop is when the boat's out of the water.

jyasaki is offline   Reply With Quote

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