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06 May 2012, 08:32
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#1
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Member
Country: UK - N Ireland
Town: Portaferry
Make: Avon
Length: 4m +
Engine: 30hp
Join Date: Sep 2011
Posts: 104
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SR4 max engine spec
Folks what is the official engine spec weight Hp etc for a SR4 I am looking to change my 30hp mariner non t&t to a full power t&t around 40hp and want to keep it real. Also still looking for a engine if you have one. G
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06 May 2012, 09:12
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#2
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Member
Country: UK - England
Town: Bucks
Boat name: Blue & Ding Dong
Make: Ribeye,SR4 & Bombard
Length: 6m +
Engine: 115,50 & 15Hp Yams
Join Date: Feb 2004
Posts: 3,252
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50hp but others have put more I believe, we did have a 55hp if I remember right!
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Member of the Ribeye supporters club!!!
Member of Bombard 380 Aerotec club
Member of SR4 club
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06 May 2012, 12:39
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#3
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Member
Country: UK - England
Town: Southampton
Boat name: Hissing Sid
Make: Ross Smith Cobra
Length: 6m +
Engine: 200HP Optimax
MMSI: 235038046
Join Date: Jun 2002
Posts: 3,804
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Quote:
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Originally Posted by Nick Hearne
50hp but others have put more I believe, we did have a 55hp if I remember right!
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Olly on here ran a 60hp yam triple I believe.
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06 May 2012, 13:00
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#4
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Member
Country: UK - England
Town: Mighty Penryn
Boat name: Little Joe.
Make: Avon Searider
Length: 4m +
Engine: Honda BF50
Join Date: Aug 2005
Posts: 8,872
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They're rated to 50hp. A 2 stroke Tohatsu or Yam would be the way to go for max performance. 
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06 May 2012, 13:24
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#5
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Member
Country: UK - England
Town: surrey
Boat name: el nino
Make: tornado humber
Length: 7m +
Engine: outboards
Join Date: Jun 2009
Posts: 958
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50 max i do have mariner 60 oi short shaft if you want be fastest in ireland
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06 May 2012, 13:27
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#6
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Member
Country: UK - England
Town: Bucks
Boat name: Blue & Ding Dong
Make: Ribeye,SR4 & Bombard
Length: 6m +
Engine: 115,50 & 15Hp Yams
Join Date: Feb 2004
Posts: 3,252
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Quote:
Originally Posted by Jizm
Olly on here ran a 60hp yam triple I believe.
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That was the one I was thinking about 
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Member of the Ribeye supporters club!!!
Member of Bombard 380 Aerotec club
Member of SR4 club
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06 May 2012, 16:17
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#7
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Member
Country: UK - England
Town: PORTSMOUTH
Make: Avon 5.4, Avon 3.4,
Length: 5m +
Engine: Yamaha 90, Merc 30
Join Date: Sep 2003
Posts: 1,995
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and here is she is....
the SR4 an epic boat...... led on too many great things, but the sr4 is totally in a league of its own!
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07 May 2012, 09:24
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#8
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Member
Country: UK - England
Town: Sheffield
Boat name: Touch Bottom
Make: Avon
Length: 4m +
Engine: 50 hp Merc Power t&t
Join Date: Jul 2008
Posts: 288
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Quote:
Originally Posted by ollyit
and here is she is....
the SR4 an epic boat...... led on too many great things, but the sr4 is totally in a league of its own!
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With 50hp. being the max, I would have thouight putting a 60 on would invalidate your insurance.
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07 May 2012, 11:47
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#9
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Member
Country: UK - England
Town: PORTSMOUTH
Make: Avon 5.4, Avon 3.4,
Length: 5m +
Engine: Yamaha 90, Merc 30
Join Date: Sep 2003
Posts: 1,995
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Porthcawl insurance where fine with it, it weighs the same as a 50 - just carbs and timing different
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07 May 2012, 12:01
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#10
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Member
Country: UK - England
Town: Bristol
Make: Ribcraft
Length: 5m +
Engine: Yamaha
Join Date: May 2006
Posts: 4,299
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Superb Olly. Great fun!
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