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2003 DF140s badly corroded, what would you do?

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2003 DF140s badly corroded, what would you do?

Old 03-18-2019, 10:04 AM
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Default 2003 DF140s badly corroded, what would you do?

I am fixing to go look at a boat with twin 2003 DF 140s that appear badly corroded from the pictures I've received. A certified Suzuki mechanic, he's selling the boat for client, says that the engines have around 350 hours on them, run good but need cleaning with bolts and clamps replaced. I asked him if the engines were ever submerged and he said no, but that the owner never put anti corrosion on the engines. Please take a look at the pictures. If I lie the hull should I even consider the value of the engines in my offer and just plan on a repower? What the thought on doing what the mechanic said and replacing all the rusty components and running the engines? Thanks




If I like the hull should I even consider the value of the engines in my offer and just plan a repower? What's the thought of doing what the mechanic says and replacing all the rusty components and running the engines?
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Old 03-18-2019, 10:12 AM
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There is more to that story then what you are being told. The motor might not have been submerged, but at some point there was water spraying around under that cowling or cowling was left off all together for some time. 15 year old motor not going to have much value as it is, and can not see the labor money spent to replace all that rusted crap being worth it. Not like those rusty bolts are going to come out easy. If you like the hull would negotiate as if motor was worthless, and try to get replacement of all hose clamps worked into the deal. If you can make deal happen run motor until it gives up or cost more to fix then worth.
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Old 03-18-2019, 11:14 AM
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Sure looks neglected. Left sitting with salty buildup. The question is, how neglected. I have a pair of '05s that look almost new under the hood.
Do they run alright? I wonder how the oil cooler, VST, IAC, trim unit and other components have held up.
You may want to consider the worst in your offer.
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Old 03-18-2019, 12:56 PM
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That looks really bad.
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Old 03-18-2019, 01:13 PM
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Assume the motors have zero value. If they run a year great. If not you paid for just the boat and trailer.
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Old 03-18-2019, 01:18 PM
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Walk, no run away!
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Old 03-18-2019, 01:48 PM
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I put 1800 hours on a 140 and it still looked new under the hood. Id have to agree that something happened to that motor that your not being told about. Consider them worth the prop value.
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Old 03-18-2019, 01:55 PM
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Engine looks like it spent 350 hours under water. Sorry but that motor would cause me not to even consider the boat it is attached to. Maintenance and care of the engine is a good indication of the care the boat received.
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Old 03-18-2019, 02:02 PM
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Originally Posted by Jeepman View Post
There is more to that story then what you are being told. The motor might not have been submerged, but at some point there was water spraying around under that cowling or cowling was left off all together for some time. 15 year old motor not going to have much value as it is, and can not see the labor money spent to replace all that rusted crap being worth it. Not like those rusty bolts are going to come out easy. If you like the hull would negotiate as if motor was worthless, and try to get replacement of all hose clamps worked into the deal. If you can make deal happen run motor until it gives up or cost more to fix then worth.
Well said. I would not buy that engine.
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Old 03-18-2019, 02:16 PM
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Since a certified Suzuki mechanic is selling the boat, for a friend, I would ask for the SDS printout. (hours at RPM ranges, alarms...) I am not positive the 03 has that capability, my 05 certainly does. Again, not sure if the 03 has the issue, but in 05 there was a dissimilar metal issue in the engine holder. Suzuki tapped two oxygen sensor holes in the Aluminum exhaust, they only used one and put a steel plug in the other. If the plug was not changed it is about $900 for parts and about 5 to 6 hours labor. The power head needs to be removed. Lots of info out there if you search.
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Old 03-18-2019, 02:18 PM
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It’s TWO engines in the pictures and they look the same. Definitely something happened and I’m not being given the full story.
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Old 03-18-2019, 03:15 PM
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The seller is FULL OF IT!
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Old 03-18-2019, 03:27 PM
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If the hull is in good shape and you don't mind repowering make your offer accordingly and factor in what you'll have in the boat when you're done.
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Old 03-18-2019, 03:36 PM
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they look like one of my old motors on my seacat of the same year. one was rebuilt and looked like it should but the original one looked like that. when you take the lower covers off there's gonna be even worse corrosion mine had to be sealed with jb weld every few trips or it sounded like a car with a bad exhaust leak (because that's what it was). having already gone through that I wouldn't do it again but I'm glad I bought my boat. I had it 55 miles off shore but I had confidence that if the rusty one gave out the newish one would get my back. it never did let me down though
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Old 03-18-2019, 03:59 PM
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Originally Posted by BST24351 View Post
they look like one of my old motors on my seacat of the same year. one was rebuilt and looked like it should but the original one looked like that. when you take the lower covers off there's gonna be even worse corrosion mine had to be sealed with jb weld every few trips or it sounded like a car with a bad exhaust leak (because that's what it was). having already gone through that I wouldn't do it again but I'm glad I bought my boat. I had it 55 miles off shore but I had confidence that if the rusty one gave out the newish one would get my back. it never did let me down though
What do you attribute to causing your engine to look that bad?
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Old 03-18-2019, 04:22 PM
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Originally Posted by Bblack67 View Post


What do you attribute to causing your engine to look that bad?
the guy before me did no maintenance. he didn't have the first clue on how to keep an engine running or else he would have never sold the boat. I've seen a few 03s look that same way so I'm thinking it may have to do with that year. I had an 05 that was on a other boat that wasnt maintained well and it looked perfect inside
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Old 03-18-2019, 04:32 PM
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If he never took off the cowlings to check the engines , he never serviced anything.
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Old 03-18-2019, 04:36 PM
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It's going to be fun getting those internal anodes out, if there's anything left of them.

Last edited by good stuff; 03-18-2019 at 04:48 PM.
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Old 03-18-2019, 04:37 PM
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If it is a cat hull, some of the older ones tend to mist the motors all the time when under power. If the owner did nothing to protect the motors from the mist, then it could have been the cause.
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Old 03-18-2019, 04:43 PM
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My 2004s look brand new still. Those are not right.
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