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Old 06-24-2017, 07:25 AM   #41
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2 pages later and still no idea of exactly what we are talking about.

How on earth do you ever make a purchase of anything because the same arguement can be made for everything!

Get the survey's and buy what's cleaner.
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Old 06-24-2017, 07:26 AM   #42
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Art me Irish Bro.
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Agree 100% with your statement.


However in the end it boils down to this.
Everything breaks then we fix it.


The trick me Irish Bro is to get the most bang for our BUCKS! That is the hard part. Sometimes we get lucky, other times we don’t!


Cheers Mate!
H


H me Irish fun time fellow!

That's exactly why it's always good to be Blessed with Irish Luck!
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Old 06-24-2017, 07:44 AM   #43
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2 pages later and still no idea of exactly what we are talking about.

How on earth do you ever make a purchase of anything because the same arguement can be made for everything!

Get the survey's and buy what's cleaner.
OMG

Just imagine if all the dating clubs began to have similar selection-stat criterion before participants could select a mate!!!

There'd be a lot more single people running around trying to figure out if the gals or guys they were chatting with had too many soft hours or too few hard hours... or maybe, in fact, just way too many or heaven forbid not enough hours at all.

I say pick the one [engine or person] who have some soft and some hard time on them. Always good to know what your next squeeze can take... or not!

Happy Choose-It Daze! - Art
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Old 06-24-2017, 10:05 AM   #44
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Flip a coin!
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Old 06-24-2017, 10:33 AM   #45
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Beyond the hours in my experience with owners who always run hard is that they just don't have the same concern about engine life. if they run at 17 kn then they probably run faster at times as well. The boat then gets traded after a few years and it becomes the next owners issue.

Personally I avoid things that seem to have been run hard and put away wet. []
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Old 06-25-2017, 07:14 AM   #46
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A problem with engine hours is not only weather the unit was operating at near 100% load factor ,

but the other problem , endless operation as a battery charger , usually to attempt to support an electric fridge of some sort.

A log book would be a great help ,
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Old 06-25-2017, 08:08 AM   #47
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I have a couple of friends who work for brunswick marine (the owners of mercury).

This is a few years back but their testing of the high performance powerheads from outboards was something like this:

1) Run it at full throttle you go 250 hours until overhaul
2) Run it at half throttle you go 2000 hours until overhaul

That is an exponential factor, obviously not just the revolutions.

Keep in mind these are lightweight 100hp+/liter engines.
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Old 06-25-2017, 09:38 AM   #48
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Outboard's short life , hummm. Charleston Water Taxi claims 8700 verifiable hours on their Yamaha 150s. It just depends on regular use, care and maintenance according to these guys.
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Old 06-25-2017, 10:28 AM   #49
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Me too Eric. One reason being that I would not believe it if somebody says they ran their Fleming 55 or Carver 44 at 8 knots all the time. So what else are they not revealing?
Sunchaser,
"Not revealing" indeed. Had a runaway about a year ago. Had leakage and lots of fuel (or water) in the crankcase. Started the engine after an oil change but forgot the oil .. shut down as soon as rattling noise started and it's been fine ever since or how many would even mention any of the above. Perhaps a lot of engines experienced this type of thing, or even more.

As far as engines go I have the greatest faith in high level analysis. Compression and/or leak down tests. Partial disassembly fine. Spend some money. Almost any defect can be derected ... or can it? But a tech minded and equiped and with extensive experience mechanic should be able to uncover the most defects in an engine. Far far more than an hour meter. Perhaps they have cameras like the medical people and can snake one down into the cylinder and thake a vid of the cylinder wall.

My last comment on hour meters is that there's absolutely no telling if the number you see is reality. Far as I know.
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