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Old 16 November 2007, 09:52   #1
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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

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Old 16 November 2007, 10:32   #2
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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.


Chris
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Old 16 November 2007, 11:15   #3
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A lot also depends on how the engine lived it's x00 hrs use.......
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Old 16 November 2007, 15:19   #4
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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, 16:18   #5
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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, 17:49   #6
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Leak down test tells a lot.
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Old 18 November 2007, 15:05   #7
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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, 07:00   #8
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leakdown test is best, compression test next best.
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