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Old 06 May 2012, 03:32   #1
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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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Old 06 May 2012, 04:12   #2
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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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Old 06 May 2012, 07:39   #3
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50hp but others have put more I believe, we did have a 55hp if I remember right!
Olly on here ran a 60hp yam triple I believe.
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Old 06 May 2012, 08:00   #4
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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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Old 06 May 2012, 08:24   #5
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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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Old 06 May 2012, 08:27   #6
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Olly on here ran a 60hp yam triple I believe.
That was the one I was thinking about
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Old 06 May 2012, 11:17   #7
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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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Old 07 May 2012, 04:24   #8
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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!
With 50hp. being the max, I would have thouight putting a 60 on would invalidate your insurance.
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Old 07 May 2012, 06:47   #9
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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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Old 07 May 2012, 07:01   #10
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Superb Olly. Great fun!
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