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07 September 2012, 15:05
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#1
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Member
Country: France
Make: ribcraft
Length: 5m +
Join Date: Sep 2012
Posts: 45
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New engine for my Ribcraft 540... which shank?
Hello,
i'm new on this forum, i the owner of a ribcraft 5.40, i'm considering of changing engine, but i wonder which kind of shank should i choose?
Is it a "long" or "ultra long" shank i 've to choose as a single engine?
by the way, i would like to buy a 90 Yamaha 2 stroke, would it be a great choice? does any member know the consommation of this engine on a ribcraft 5.40.
thank you for your help,
Eric " le petit nouveau".
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07 September 2012, 15:14
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#2
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Member
Country: UK - England
Town: Wild West
Boat name: No Boat
Make: No Boat
Length: under 3m
Join Date: Jan 2008
Posts: 5,306
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Quote:
Originally Posted by ericmx29
Hello,
i'm new on this forum, i the owner of a ribcraft 5.40, i'm considering of changing engine, but i wonder which kind of shank should i choose?
Is it a "long" or "ultra long" shank i 've to choose as a single engine?
by the way, i would like to buy a 90 Yamaha 2 stroke, would it be a great choice? does any member know the consommation of this engine on a ribcraft 5.40.
thank you for your help,
Eric " le petit nouveau".
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Hi Eric,and welcome to Ribnet!
90 Yam would be fine...but better.. an E-Tec 130! It goes VERY well with that Hull! (Long shaft)... Ask 'Hadd'  ..Or see his video's. It's a '545' By the way,Great boat VERY Deep V, extremely dry Ride and great in the rough...and IMHO nothing to touch it for the size.
__________________
A clever Man learns by his mistakes..
A Wise Man learns by other people's!
The Road to HELL ..is Paved with "Good inventions!"
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07 September 2012, 15:32
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#3
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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Measure the transom at the centre. If it's 20"-21" (51-53cm on the new scale) then you need Longshaft, as suggested by Maximus.
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07 September 2012, 15:35
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#4
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Member
Country: UK - England
Town: South Yorks
Boat name: Black Pig
Make: Ribcraft
Length: 5m +
Engine: DF140a
MMSI: 235111389
Join Date: Feb 2008
Posts: 12,167
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Sits back & waits for all the Etec jokes to appear 
__________________
Rule#2: Never argue with an idiot. He'll drag you down to his level & then beat you with experience.
Rule#3: Tha' can't educate pork.
Rule#4: Don't feed the troll
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07 September 2012, 16:48
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#5
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Member
Country: UK - Scotland
Town: Girvan & Tayvallich
Boat name: Breawatch
Make: Ribcraft
Length: 5m +
Engine: Mercury 150 F/stroke
MMSI: ex directory!!
Join Date: Sep 2008
Posts: 6,203
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Quote:
Originally Posted by Pikey Dave
Sits back & waits for all the Etec jokes to appear |
Nope don't think so as they have all been said before 
Good and bad in every stable!!
__________________
jambo
'Carpe Diem'
Member of the ebay Blue RIB cover club
Member of SABS ( Scottish West Division)
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07 September 2012, 17:07
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#6
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Member
Country: France
Make: ribcraft
Length: 5m +
Join Date: Sep 2012
Posts: 45
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Quote:
Originally Posted by Downhilldai
Measure the transom at the centre. If it's 20"-21" (51-53cm on the new scale) then you need Longshaft, as suggested by Maximus.
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thank you all for your answers,
it's 54cm, so have i to choose ultra long shat (25" i guess)?
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07 September 2012, 17:12
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#7
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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No, 54cm will work fine with a longshaft.
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07 September 2012, 17:16
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#8
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Member
Country: France
Make: ribcraft
Length: 5m +
Join Date: Sep 2012
Posts: 45
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i've just called ribcraft, they told me x-long shaft for my rib???
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07 September 2012, 17:19
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#9
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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Did it have twin motors previously?
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07 September 2012, 18:18
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#10
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Member
Country: UK - England
Town: Wild West
Boat name: No Boat
Make: No Boat
Length: under 3m
Join Date: Jan 2008
Posts: 5,306
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Quote:
Originally Posted by ericmx29
i've just called ribcraft, they told me x-long shaft for my rib???
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They should Know!!  .. Although they don'nt fit many E-Tec's..And I appologise if I got it wrong (and it was an extra-long shaft I had).I'll ring Race Marine in the morning and check for sure
__________________
A clever Man learns by his mistakes..
A Wise Man learns by other people's!
The Road to HELL ..is Paved with "Good inventions!"
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07 September 2012, 18:49
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#11
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Member
Country: France
Make: ribcraft
Length: 5m +
Join Date: Sep 2012
Posts: 45
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Quote:
Originally Posted by Downhilldai
Did it have twin motors previously?
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no, may be they didn't understand my question correctly, or may be i didn't understand...
so , for sure, a long shat fit a ribcraft 5.40 .
is there any member who has a 90 HP, 2 stroke on this boat (execpt E-TEC, i can't afford this great engine), if so, what is the consumption with this boat?
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07 September 2012, 19:48
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#12
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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An XL motor fits a transom of 25" (635mm) minimum.
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07 September 2012, 19:55
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#13
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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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a 90 yam would be pretty gutless on a 545, its a very deep hull and heavily laid up boat so 115 minimum really. Maximus's 545 was mental with the 130 but with a yam 90 expect 30 knots and slow to take off
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07 September 2012, 20:29
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#14
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Member
Country: France
Make: ribcraft
Length: 5m +
Join Date: Sep 2012
Posts: 45
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I've read that with a 75HP, 2 stroke, a 5.40 at full throttle reaches a 32 kn, considering this a 130HP, should take it to the moon.
i guess 75 or 90 HP is enough for some kind of use.
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07 September 2012, 22:01
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#15
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Member
Country: Ireland
Make: Zodiac Mk I
Length: 3m +
Engine: 15 hp Yam two stroke
Join Date: Feb 2012
Posts: 728
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Quote:
Originally Posted by ericmx29
Hello,i would like to buy a 90 Yamaha 2 stroke, would it be a great choice? does any member know the consommation of this engine on a ribcraft 5.40.
thank you for your help,
Eric " le petit nouveau".
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Yamaha 90 2St,Cruising @ 25Kt=18 Lt Per hour. Max 35Kt=27 Lt Per hour. (Apx)
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BLACK PIG
Piglet
Breawatch
