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Yamaha F115 propeller



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tigeroscar

Joined: 08/22/2012
Posts: 76
Location: new rochelle NY
 posted 11/23/2013 12:17 PM  

Hi I have a 2003 Yamaha F115 outboard, I am interested in getting a new prop to first increase top speed and increase efficiency if possible. is there a prop for that? I have never done this before so I dont know anything about it, The boat is a 2003 edgewater 185cc, and the prop is the white aluminum one.

Thanks
 
tigeroscar

Joined: 08/22/2012
Posts: 76
Location: new rochelle NY
 posted 11/23/2013 12:19 PM  

P.S. also what effect does the pitch of the blades have on the preformance, etc? Thanks
 
Hunt n' Fish
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Hunting

Joined: 04/11/2001
Posts: 11014
Location: Holbrook, NY
 posted 11/23/2013 12:23 PM  

What is the proper max RMP range for your motor (in your motor manual, or ask dealer), and what RPM do you get at the top end, with the motor trimmed up, just before cavitation/porpoising of the bow occurs?


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Recreational Anglers against Internet BS
 
tigeroscar

Joined: 08/22/2012
Posts: 76
Location: new rochelle NY
 posted 11/23/2013 02:06 PM  

Il find out but in my experience with the motor all the way down when i sink the throttle it hits about 5200 rpms
 
AllyKat


Joined: 06/16/2006
Posts: 2927
Location: E. Northport
 posted 11/23/2013 03:05 PM  

My cousin has a prop shop...although its in Virginia Beach.

He's seen and done it all when it comes to props.

It's not uncommon for him to "lend" a customer a prop or two so they can try them out and see what suits their needs. Do they want hole shot/ faster to get on plane, do they want top speed, or lower cruising rpms.
They do that more for the bigger sport fishers out there that are either looking for more speed or fuel savings.

Best advice is go to a prop shop here on the Island and bring the specs of your boat. Chances are they have a much better idea of what you need.




Vosky Precision Machining ISO9001/AS9100 Certified
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DarthBaiter


Joined: 05/24/2003
Posts: 8923
Location: Trollin NE for a bite...
 posted 11/23/2013 06:36 PM  

tigeroscar wrote:

Il find out but in my experience with the motor all the way down when i sink the throttle it hits about 5200 rpms


You need to trim the motor up like Hunt n' Fish described and see what your RPM is.

You also need to find out what prop you have by taking a close look and finding out it's model number and it's pitch and size. up

If you've never pulled a prop, it might be a good time to practice as you look for the numbers. Never know when you might have to do it in a emergency.


Support your local Mom n Pop stores.

 
MACKS


Joined: 08/09/2004
Posts: 2182
 posted 11/23/2013 06:55 PM  

AllyKat wrote:

My cousin has a prop shop...although its in Virginia Beach.

He's seen and done it all when it comes to props.

It's not uncommon for him to "lend" a customer a prop or two so they can try them out and see what suits their needs. Do they want hole shot/ faster to get on plane, do they want top speed, or lower cruising rpms.
They do that more for the bigger sport fishers out there that are either looking for more speed or fuel savings.

Best advice is go to a prop shop here on the Island and bring the specs of your boat. Chances are they have a much better idea of what you need.



I agree,a good prop shop will put you right on the money and at 5200 for that motor you are way low,pretty sure 6000 is max but look into that first. good luck
 
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