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Old 08 November 2011, 11:46   #1
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Country: UK - England
Town: Devon
Make: Ribtec 585
Length: 5m +
Engine: 115
Join Date: Oct 2011
Posts: 87
Avaon SR 5.4 engine size

Hi , having got some good advice on the hull i'm after some tips on power. I'm thinking an SR with 90hp optimax type 2 stroke is good for 33 ish kts with 4 adults , if i do down to 70 or even 60 , how poor does the performance get . I know peeps are gonna say well are you looking at cruising speed or top end but lets be honest , if it's flat enough we all go for the max on anything other than real long trip , so if it's a case of short ( sub 5 mile ) runs with throttle at 80% , whats the least thats gonna get me 30kts and still be able to pull a fat skier out of the water ? ok , I am the fat skier .
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Old 11 November 2011, 05:42   #2
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Country: Luxembourg
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Make: Searider 5.4
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I asked similar queston a while ago. Please look at here: Avon Searider 5.4 engine
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Old 12 November 2011, 13:06   #3
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Country: UK - Wales
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Boat name: DynaMoHumm/ SRV/deja
Make: Avon8.4, 5.4 & 4.777
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Engine: Cat3126 Yam 90 &70
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Opti is very heavy absurdly so to be honest and so is the ETEC! ....cant beat a yammie 90 betol thoughis a yammie 89 2 stroke Best 4 stroke I have heard there i some nifty 4 strokes coming from Honda and Yammie but at the moment I think the Suzi 90 is the most suitable 4 stroke but a 90 yammie 2 stroke is the best Oh silly me I've said that before
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