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Old 16 November 2007, 08:52   #1
Country: UK - England
Town: Crawley, West Sussex
Boat name: Sussex Explorer
Make: Quinquari
Length: 10m +
Engine: 2 x 200hp etecs
Join Date: Aug 2006
Posts: 104
Engine Lifespan

Id like to know when buying second hand engines what constitutes "High / Coming to the end of their lifespan" and "Low / plenty of life left in them" engine hours.

for example would people class "Evinrude 225 engines" made in 2005 with 700hrs on them as "Early / Mid / or late in their lifespan"?

I understand this all depends on servicing etc, but all things equal what do you think?



Pete Smith
Eco Tourism Rides from Newhaven, East Sussex.
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Old 16 November 2007, 09:32   #2
Country: UK - England
Town: Gloucestershire
Boat name: Osprey
Make: Osprey Vipermax
Length: 5m +
Engine: E-tec 300 G2
Join Date: Dec 2006
Posts: 4,014
I think a lot of this is down to personal view.

I would class 700 hours on an engine as Mid Life however if you were to speak to some of the americans that are running 20-30 year old outboards with several thousand hours on they would probably think 700 hours was relatively ealry in the engines life span.

What I think will be interesting to see over the coming years is how long these modern engines especially the 2 stroke DI's last in comparisson to their more oil hungry predecessors. Trying to meet all these modern emissions requirements I am sure will take its toll on the engines in the long term.


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Old 16 November 2007, 10:15   #3
Country: UK - Scotland
Boat name: Wildheart
Make: Humber/Delta Seasafe
Length: 5m +
Engine: Merc 60 Clamshell
MMSI: 235068449
Join Date: Apr 2007
Posts: 4,614
A lot also depends on how the engine lived it's x00 hrs use.......
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Old 16 November 2007, 14:19   #4
Tony's Avatar
Country: UK - Channel Islands
Town: Guernsey
Boat name: Monkey Nutz
Make: Cougar R8 Sport
Length: 8m +
Engine: 350Sci Verado
Join Date: Aug 2006
Posts: 931
Rib Voyages Etecs have passed the 1800 hour mark.. so 700 hours doesn't sound to much..
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Old 16 November 2007, 15:18   #5
Country: UK - Scotland
Town: Largs
Boat name: Spitfire
Make: XS850
Length: 8m +
Engine: 2 x 200 Verado
MMSI: 235905304
Join Date: May 2004
Posts: 174
1800 hours on an ETEC or a DI used commercially? Perhaps, but trouble free? I seriously doubt it, if my experience is anything to go by!
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Old 16 November 2007, 16:49   #6
Country: UK - England
Town: Farnborough
Boat name: Eleven
Make: Arrow
Length: 8m +
Engine: 557cu, 700hp
Join Date: Jul 2003
Posts: 1,255
Leak down test tells a lot.
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Old 18 November 2007, 14:05   #7
Locozodiac's Avatar
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
To take the nail out when buying second hand engines, perform a head compresion test to see how much life span rests before an engine overhaul. Specially if the amount to pay is big, ask a engine service center to perform this test. Don't have at hand the optimum compression life span rates (pressure measurements) prior to overhaulling.
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Old 19 November 2007, 06:00   #8
Country: USA
Town: boston
Boat name: Miss bad 61
Make: Crapko, AKA Mako
Length: 5m +
Engine: OMC Mod50
Join Date: Apr 2006
Posts: 398
leakdown test is best, compression test next best.

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