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17 March 2013, 21:13
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#1
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Member
Country: UK - Scotland
Town: Greenock
Make: arimar
Length: 5m +
Engine: yamaha 90
Join Date: Dec 2012
Posts: 15
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more power
whats the biggest engine that you've seen on a 5m rib,running with 50hp johnson just now but need more power.I have old yamaha 90 2 stroke but would need a bit of work,just wondering if its worth looking for anything bigger
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17 March 2013, 21:41
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#2
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Member
Country: France
Town: Côte d'Azur
Boat name: Beaver Patrol
Make: Avon Searider SR4
Length: 4m +
Join Date: Jan 2004
Posts: 5,934
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What type of 5m RIB?
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17 March 2013, 21:44
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#3
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RIBnet Supporter
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,684
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Quote:
Originally Posted by Tim M
What type of 5m RIB?
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17 March 2013, 21:44
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#4
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Member
Country: UK - England
Town: Thornbury
Make: Avon Searider 4m
Length: 4m +
Engine: 50hp tohatsu tldi
Join Date: Sep 2012
Posts: 648
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Quote:
Originally Posted by Tim M
What type of 5m RIB?
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in his description it say 'arimar' as the make.
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17 March 2013, 21:46
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#5
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Member
Country: UK - Scotland
Town: Greenock
Make: arimar
Length: 5m +
Engine: yamaha 90
Join Date: Dec 2012
Posts: 15
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arimar not the best type of rib but i like it cos its got lots of storage areas,going to move console forwards and fit 2 jockey seats to move weight forward a bit,currently bench seat at back but bow lifts a bit until on plane
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17 March 2013, 21:47
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#6
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RIBnet Supporter
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,684
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Quote:
Originally Posted by henryfreston
in his description it say 'arimar' as the make.
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Still with the "do keep up!" 
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17 March 2013, 21:50
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#7
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Member
Country: UK - England
Town: Thornbury
Make: Avon Searider 4m
Length: 4m +
Engine: 50hp tohatsu tldi
Join Date: Sep 2012
Posts: 648
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Quote:
Originally Posted by willk
Still with the "do keep up!" |
sorry 
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17 March 2013, 21:53
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#8
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Member
Country: France
Town: Côte d'Azur
Boat name: Beaver Patrol
Make: Avon Searider SR4
Length: 4m +
Join Date: Jan 2004
Posts: 5,934
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Quote:
Originally Posted by willk
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Fanks
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17 March 2013, 21:54
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#9
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Member
Country: UK - England
Town: Thornbury
Make: Avon Searider 4m
Length: 4m +
Engine: 50hp tohatsu tldi
Join Date: Sep 2012
Posts: 648
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Quote:
Originally Posted by Tim M
Fanks |
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17 March 2013, 22:04
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#10
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Member
Country: France
Town: Côte d'Azur
Boat name: Beaver Patrol
Make: Avon Searider SR4
Length: 4m +
Join Date: Jan 2004
Posts: 5,934
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Quote:
Originally Posted by muirdo
whats the biggest engine that you've seen on a 5m rib,running with 50hp johnson just now but need more power.I have old yamaha 90 2 stroke but would need a bit of work,just wondering if its worth looking for anything bigger
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What's the boat rated to take? Quite a few Ribcraft 4.8s have had 70s installed on them, and of course the well known Avon Searider 5.4 can take a 90. I shouldn't imagine your hull is as well built as a Searider (although they look quite smart looking at the Arimar website) so I would tempted to go with something a little less than a 90 (depending on what the manufacturer says).
If the main issue is poor balance because of too much weight at the back, perhaps look at trim tabs or shifting some weight forward (or even just a bigger anchor to help trim it out).
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17 March 2013, 22:08
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#11
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Member
Country: UK - Scotland
Town: Greenock
Make: arimar
Length: 5m +
Engine: yamaha 90
Join Date: Dec 2012
Posts: 15
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think the max engine size is 90,already trying to move weight about but just want to go a bit faster,surely you could exceed recommended engine size a bit
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17 March 2013, 22:09
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#12
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Member
Country: France
Town: Côte d'Azur
Boat name: Beaver Patrol
Make: Avon Searider SR4
Length: 4m +
Join Date: Jan 2004
Posts: 5,934
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If it's rated to take a 90 then get your spanners out and bolt it on! Exceed the rating at your peril; your insurance may well be invalid (and the transom might fall off!)
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17 March 2013, 22:10
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#13
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Member
Country: UK - England
Town: N. Devon
Boat name: (Not Another) Nutkin
Make: Highfield
Length: 6m +
Engine: Outboard, Honda 135
MMSI: 232036183
Join Date: Dec 2008
Posts: 2,019
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Quote:
Originally Posted by muirdo
surely you could exceed recommended engine size a bit
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Of course, but not if you want your insurance to hold up should it be needed
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17 March 2013, 22:12
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#14
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Member
Country: UK - Scotland
Town: Greenock
Make: arimar
Length: 5m +
Engine: yamaha 90
Join Date: Dec 2012
Posts: 15
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insurance,Whats that 
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17 March 2013, 22:15
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#15
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Member
Country: UK - England
Town: N. Devon
Boat name: (Not Another) Nutkin
Make: Highfield
Length: 6m +
Engine: Outboard, Honda 135
MMSI: 232036183
Join Date: Dec 2008
Posts: 2,019
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Is it this range? - Arimar Boats
If the 5.4 120 seems ok
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17 March 2013, 22:17
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#16
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Member
Country: UK - Scotland
Town: Greenock
Make: arimar
Length: 5m +
Engine: yamaha 90
Join Date: Dec 2012
Posts: 15
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think its a bit older than them its not a 5.4 i think its 4.9 but seems well made which is why i think it could take a bit more power
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(Not Another) Nutkin
