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Old 18 August 2006, 05:52   #1
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Best 250hp engine

Hi All,
I need a new 250hp engine for an 8m commercial (dive charter) RIB. The Verado is too thirsty & the Suzuki is NOT an option.

What would you recommend?

G250
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Old 18 August 2006, 05:56   #2
mdt
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Why ...

are the Suzuki is NOT an option.
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Old 18 August 2006, 06:27   #3
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Quote:
Originally Posted by G250
Hi All,
I need a new 250hp engine for an 8m commercial (dive charter) RIB. The Verado is too thirsty & the Suzuki is NOT an option.

What would you recommend?

G250
I've just been going through this dilema and have I think decided on the Yamaha F225, as been advised to avoid the Yamaha F250, the Suzuki DF250 seem to blow up, and as yet can't seem to find much/any negative issues with the Yamaha F225. Also looking at the Opti's just investigating that avenue now.
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Old 18 August 2006, 06:31   #4
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Quote:
Originally Posted by Nauti Buoy
the Suzuki DF250 seem to blow up
Whops… I know guy who has just stuck 2 of these on the back of a RIB.

How are these units blowing up?
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Old 18 August 2006, 06:38   #5
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Quote:
Originally Posted by mdt
Whops… I know guy who has just stuck 2 of these on the back of a RIB.

How are these units blowing up?
This is the latest one I have heard blow, if you search on Ribnet seem to remember seeing another 2 go as well

2005 250 Suzuki, broken
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Old 18 August 2006, 07:08   #6
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Evinrude E-tec
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Old 18 August 2006, 07:13   #7
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Yes I would also go with the ETEC but Suzuki have a good reputation and have just recalled all the 250s for mods to the engine management system which will hopefully cure the prob. Other than that they are great engines.
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Old 18 August 2006, 07:40   #8
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The 250 E-tec, the best two-stroke at the moment.
I've the Evinrude 250 Direct Injection and I love it. Fast acceleration, nice sound and economical. I posted an article on the fuel economy here on RIBnet:
http://www.rib.net/forum/showthread....413#post155413
Have a look at the diagram posted on 02 July 2006, 14:22 on that page.
OK it's not an E-tec but they are even better.
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Old 18 August 2006, 08:50   #9
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I think for commercail operation it boils down to the 225f Yamaha, which you will have to get the valve clerances checked. or the 225 Opti ..... Long in the tooth now well proven ... but 2 stroke oil to pour in .... but no valves.
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Old 18 August 2006, 11:33   #10
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its only because I have two - and am therefore a bit bias.

- 250 HPDI Yam. HPDI 2t.

- my decison was based on readily available yam dealer
got a good deal at 12000 euros +vat/engine
previous installation yam.

Engines have now 150 hrs + and apart from a faulty water pump -back plate
they run as smooth as a ***** bottom.

There was alot of bad mouthing when these motors came out in 2004 with the big blocks- and was down to bad soft.
Hope this helps

Jonathan
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