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Old 06-22-2009, 04:00 PM   #1
LQQKASTAR
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Question How many hours on an outboard is to much?

I just looked at that seasport from craigslist and the motors had about 1250 hours on them (E tech 225'S) It was only then I realised I had no clue if that was alot or just normal.

I know there is lots of varibles, 4 stroke, 2 stroke, year, size, where you run it, ect.

Another thing is, there was about 120 hr difference between the two motors (10%) dosent that seem high? especialy for a sea-tow boat as it wasnt used for fishing very much (it had pole holders) so I got to guess it was used A few times for that.

Anyway im not buying this boat, or any boat for that matter.

I just felt pretty ignorant when I realised that I had no idea how to read hours on an outboard.

Thanks
Jack

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Old 06-22-2009, 04:27 PM   #2
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Default Re: How many hours on an outboard is to much?

Overall hours is a factor. Marine age (what year the motors are) is also a factor. Load on the motors when they were used is a factor.
My opinion is that 1200 hours of towing (presumed the boat is overpropped when towing) would be a lot and engine life is probably suspect. Outboards in commercial use last a long time, but the load pattern would be very different than my assumption for a tow boat. Plan on repowering soon (and be pleasantly surprised if you don't need to).
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Old 06-22-2009, 04:37 PM   #3
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Default Re: How many hours on an outboard is to much?

Buy a boat Jack ...
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Old 06-22-2009, 05:35 PM   #4
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Default Re: How many hours on an outboard is to much?

I know Puffin has over 1200 hours on his 140 hp Honda ob, 95% in the salt. Maintenance is a big part. And stuff does break...

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Old 06-22-2009, 05:42 PM   #5
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Default Re: How many hours on an outboard is to much?

One of the boats that I ran down in Cowtown had twin 225 4sk Yami's with over 4k hours on a Grady 28' Marlin
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Old 06-22-2009, 05:43 PM   #6
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Default Re: How many hours on an outboard is to much?

Quote:
Originally Posted by id. painter View Post
Buy a boat Jack ...
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Old 06-22-2009, 05:43 PM   #7
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Default Re: How many hours on an outboard is to much?

I thought that a well maintained 2 stroke was good for +/- 2000 and a 4 stroke 3000+. A mechanic once told me that most outboards would outlast their parts availability if they were regularly flushed, wiring harneses were replaced if corroded and the fluids drained and changed at least 2x/year.
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Old 06-22-2009, 06:17 PM   #8
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Default Re: How many hours on an outboard is to much?

I'd say 1200 to 1500 hours on a 2 stroke is no problem. After that you might have some reed valve or carb issues, but the basic powerhead should go 2000 hours no problem.
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Old 06-22-2009, 07:48 PM   #9
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Default Re: How many hours on an outboard is to much?

Buy a boat Jack, I could use a ride to TUNA about now....


I'll bring hunter too...
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Old 06-22-2009, 07:52 PM   #10
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Default Re: How many hours on an outboard is to much?

I have 1200 hours on 225 Honda 4 stroke. Mechanic says it's good for at least another 1200 - but then he goes through it every year as per the manual.

Think: 1200 Hrs X 50 Miles/Hr Average = 60,000 miles on a car engine. Hardly worn out at that point if you do the routine maintenance.
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Old 06-22-2009, 08:40 PM   #11
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Default Re: How many hours on an outboard is to much?

Quote:
Originally Posted by KeyWest View Post
I have 1200 hours on 225 Honda 4 stroke. Mechanic says it's good for at least another 1200 - but then he goes through it every year as per the manual.

Think: 1200 Hrs X 50 Miles/Hr Average = 60,000 miles on a car engine. Hardly worn out at that point if you do the routine maintenance.
I'm pretty certain that 3.5L is the same engine in the Honda Odyssey, Pilot and Ridgeline and many are built to last over 200,000 miles. 200,000/60,000 = 3.33. 3.33x 1200 hrs= 4000 (equivalent to 200,000mi) - 1200 you already used so...you have at least 2800 hrs left to be equivalent to a 200,000 mi engine. I guess that is an excuse to do more fishing.
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Old 06-22-2009, 08:42 PM   #12
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Default Re: How many hours on an outboard is to much?

Quote:
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I'm pretty certain that 3.5L is the same engine in the Honda Odyssey, Pilot and Ridgeline and many are built to last over 200,000 miles. 200,000/60,000 = 3.33. 3.33x 1200 hrs= 4000 (equivalent to 200,000mi) - 1200 you already used so...you have at least 2800 hrs left to be equivalent to a 200,000 mi engine. I guess that is an excuse to do more fishing.
Absolutely!!!!
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Old 06-22-2009, 08:46 PM   #13
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Default Re: How many hours on an outboard is to much?

the HP required to push a car at 50 MPH pales in comparision to planing a boat, recalulate a bit. Now, having said that 4-strokes OB's are turning in unheard of hours before major tear downs.
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Old 06-22-2009, 08:49 PM   #14
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Default Re: How many hours on an outboard is to much?

The average car probably averages closer to 30MPH, maybe less. A 200,000 mile motor, as the one in my Expedition, for example, may have more than 6000-7000 hours on it. My butt feels like it's been 6000 rather than 4000 hours.

I'm pretty comfortable that my outboard will last as long as I keep the boat. I'm feeling ill though, just a touch of four-footitis.

Last edited by Paddler; 06-22-2009 at 08:52 PM.
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Old 06-22-2009, 08:52 PM   #15
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Default Re: How many hours on an outboard is to much?

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Originally Posted by Paddler View Post
The average car probably averages closer to 30MPH, maybe less. A 200,000 mile motor, as the one in my Expedition, for example, may have more than 6000-7000 hours on it. My butt feels like it's been 6000 rather than 4000 hours.


I tend to run the engine at the higher end of the "MPH" spectrum - so I used 50 MPH as an example. I do agree, however, that 1200 hours for a 4 stroke is nothing.
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Old 06-22-2009, 09:19 PM   #16
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Default Re: How many hours on an outboard is to much?

Well, I didn't get the exact answer to the question, but I found a website that has a lot of engine answers. It covers all makes, models, strokes, gas & diesel so I don't think this violates the AUP.

marineenginedigest.com.
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Old 06-22-2009, 09:54 PM   #17
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Default Re: How many hours on an outboard is to much?

I sold my last boat with 2800 on the hour meter. I still see it running around with that motor hanging on the back.

I once asked a USCG guy what kind of hours they put on there motors. Got no response but would love to know that. I know we have work boats here with over 4000 hours on four strokes. But they are almost all at full out or idle.
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Old 06-22-2009, 11:47 PM   #18
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Default Re: How many hours on an outboard is to much?

nice info guys. pretty much what what i wanted, I can relate to the car thing!

thanks again!
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Old 06-23-2009, 12:21 AM   #19
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Default Re: How many hours on an outboard is to much?

do you really think those motors were over worked? 450 hp,(two 225's) 4 blade SS props on A 27' boat?
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Old 06-23-2009, 04:54 AM   #20
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Default Re: How many hours on an outboard is to much?

I dont know how many hours a e tec will last. they should last longer then a conventional 2 stroke though. like the other guys said maintnence is a big factor.
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