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Old 03 October 2007, 14:46   #1
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Country: UK - England
Town: Liverpool
Make: Humber
Length: 5m +
Engine: Mariner 60 4/s
Join Date: Aug 2006
Posts: 18
Engine choice advice

Hi, my club is after a new enigine for the club rib which acts as a saftey boat for dinghies and regurlarly goes out on longer distance trips.
It currently has a yamaha 50 2/ from bout 6 years ago, it's horrendous on fuel for it's size and loud and the fumes are grotty.
the rib is a 5.4 meter aircraft rib.
It dosn't need a lot of power a 50 or maybe a 60 would be fine.
The engine needs to be very reliable,fairly low maintanance , quiet and very economical, particularly at tickover for safteyboat usage.


Current suggestions are an E-tec or a modern japanese 4/.I'm suspwect of the reliability of E-Tecs though
I personally think a 50 4/ of any make would be fine, what do you recommend?
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Old 03 October 2007, 14:52   #2
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Country: UK - Wales
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Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,298
Mariner/Mercury 4-stroke 60hp motors have recently been available at quite decent money. They are very frugal, but a fair bit heavier than the Yam 50. Soozook 50 4-stroke is a nice light engine but may cost you as much as the Merc 60.
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Old 03 October 2007, 16:33   #3
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Country: UK - Scotland
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Make: humber
Length: 6m +
Engine: optimax 150
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why not a tohatsu tdli they have a 70 hp
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Old 03 October 2007, 17:00   #4
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Country: UK - Isle of Man
Town: Douglas
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Engine Choice

Look around for an end of season deal on a 2007 Suzuki DF50, quiet, reliable and frugal.
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Old 03 October 2007, 17:12   #5
K&S
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Country: UK - Scotland
Town: Glasgow
Boat name: Riberty
Make: xs 650
Length: 6m +
Engine: suzuki 175
MMSI: 235063328
Join Date: Aug 2007
Posts: 377
Hi, we have just placed our order for a new boat and got a nice surprise, Suzuki are offering a 5 year warranty on engines registered before the end of the year.
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Old 03 October 2007, 20:28   #6
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Country: Other
Town: Lima-Peru
Boat name: Nautile
Make: Sea Rider Boats
Length: 4m +
Engine: Tohatsu 18 /30 HP
Join Date: Sep 2007
Posts: 1,706
Engine Choice

Yes, Tohatsu will be a good priced alternative, nice performer, check

http://www.tohatsu.co.jp/en/boat/products/tldi.html
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Old 04 October 2007, 14:05   #7
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Country: France
Town: quimper
Boat name: kai 2
Make: capelli
Length: 5m +
Engine: yamaha 100
Join Date: Jul 2006
Posts: 105
If you do go for a Yamaha, don't get the 50, get the 60. It's the same engine, uprated, so for the same bulk and weight you get 10hp more. It's a no-brainer!
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Old 04 October 2007, 14:19   #8
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Country: UK - England
Boat name: Seashell
Make: Redbay
Length: 7m +
Engine: Inboard diesel
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Posts: 5,260
We have the Mariner 60 4 stroke bigfoot on our club safety boat (ribcraft 4.8) and its a brilliant engine - quiet, economical, and it really goes when you want it to.
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Old 04 October 2007, 14:41   #9
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Country: UK - England
Town: Hamble
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How about a new, in box F60ELPT Merc, 3.7k + vat.
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Old 04 October 2007, 17:51   #10
DJL
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Country: UK - England
Make: Ribcraft 6.5
Length: 6m +
Engine: Suzuki DF175TG
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My choice would be a Yamaha or Merc 60 fourstroke (same weight). As already pointed out don't go for the 50 as its the same engine as the 60 - unless money is an issue of course. I had a Merc F60 for 3/4 years and would by another - great engine. The 60HP Suz is silly heavy.

Etecs seem to be good engines but probably not the best choice if the engines going to be idling a lot.
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