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SWF227

227 engine/prop resource

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So I keep reading so many different performance numbers for this boat with an F250.

Some say they get 40 MPH top speed, some say close to 50 with the F250 Yami.

If you have this set up (227 with an F250) please post the following:

Year of boat

Prop (Pitch and Diameter)

Mounting hole to transom

Top speed and conditions.

I think if we can figure out what works best.

One person I spoke to says maybe the engine might be mounted too low which could cause a lot of unwanted drag.

 

 

 

 

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On 1/10/2019 at 11:44 AM, SWF227 said:

So I keep reading so many different performance numbers for this boat with an F250.

Some say they get 40 MPH top speed, some say close to 50 with the F250 Yami.

If you have this set up (227 with an F250) please post the following:

Year of boat

Prop (Pitch and Diameter)

Mounting hole to transom

Top speed and conditions.

I think if we can figure out what works best.

One person I spoke to says maybe the engine might be mounted too low which could cause a lot of unwanted drag.

 

 

 

 

I have a 2008 with 2006 F250.  My top end is low 40’s.  I noticed a significant difference in performance when I moved the motor to its highest position. I think I have mercury 19.5 prop but don’t know for sure. 

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I’m surprised that with a 250hp you guys only get low 40’s mph for top speed. That’s exactly what I get with the Yamaha f200xb on my 2017 r227. About 43mph tops and I cruise around 25mph, depending on sea state, usually around 4000rpm. Usually hit 30mph around 4500rpm. 

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A couple of things that may explain the difference are the relative weights.  There was redesign of the motor in 2009 which dropped the weight by 50 lb and likely increased performance. I also heard that the weight of the R227 dropped by about 300 to 400  lbs over the years. My boat is a 2008. 

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