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Old 22 October 2002, 19:06   #1
TIM
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Country: Ireland
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Make: REDBAY 7.4
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Evinrude ficht 75
Can anyone tell me if the Evinrude 75 fichts can be upgraded to 90 or 115 hp?? without changing the engines!!!

As far as I can workout, the blocks, pistons etc are all the same , with the exeption of the ECU's and the cam that operates the butterflys on the throttle bodys.

I am getting conflicting reports if it can be done or not...naturaly the offical dealers are saying NO, but I think it can be done.

Does anyone have access to to part number and digrams of the engines??? and could I get my gready hands on a copy!!!
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Old 22 October 2002, 19:20   #2
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I've no idea, but someone who might be able to help...

www.bosunsmate.co.uk
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Old 22 October 2002, 22:33   #3
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FICT
Contact Liverpool power boats. and ask for Ian Hiddely he will tell you the truth. He is an expert in johnson/evenrude ficht systems
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Old 23 October 2002, 09:10   #4
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You are correct, Richard, Andy Clarke, in my opinion is the best outboard/rib engineer in the word! (Bosuns Mate). He is one of the old school, that is, he does things PROPERLY. A call to him would be the best move you can ever make.
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Old 08 June 2005, 18:06   #5
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Bribery
Charles, you failed to mention where I should post the fiver.... lol!
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Old 08 June 2005, 18:12   #6
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Andy, welcome!
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Old 08 June 2005, 18:38   #7
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Oh, a man that knows all there is to know about outboards, dangerous place to be this forum i would say! Welcome anyway, your reputation preceeds you.
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Old 08 June 2005, 18:57   #8
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Andy - welcome ........ now watch for an increase in engine help postings !!
Ever thought about moving to the North Midlands Andy ????
........... or does anyone know who I could trust my new Optimax to anywhere near ( 100miles ?) Sheffield ???
Jeff
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Old 08 June 2005, 19:45   #9
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Quote:
Originally Posted by Andy Clark
Charles, you failed to mention where I should post the fiver.... lol!

Andy

welcome to RibNet and about time too.
Please please come to the next Ribex and take charge of the mike cos you have been dearly missed
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Old 12 June 2005, 10:17   #10
TIM
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Country: Ireland
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Make: REDBAY 7.4
Length: 7m +
Engine: OPTI 225
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I Had 2 Of Them !!!
I wanted to 'up' the power as well to 90 or 115 , But the problem is that the porting is different on the engines , so you would have to change the Barrels, ECU ( through DFI, as they are £1000 new) and the throtle bodies, as a start , and I cant remember if the pistons are different or not ... but anyway its cheeper to sell the 75 and buy a 90 or 115 ....... for All things Eninrude , log on to www.boatsetup.com and go to the Evinrude fourm , there is a couple of guys on her that work with Evinrude , and what they dont know, you could right on the back of a stamp !!!!! , buy your spark plugs through www.sparkplugs.com €5 instead of €18 over here....

Great engines , we had over 1000hrs between 2 of them !!!!
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