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Thread: Merc V-200 87´ deceased or not?
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11-12-2017, 12:45 PM #16
Have it sleeved with an iron sleeve then run appropriate rings. They are different than chrome bore rings.
RockTeam Junk
No sparkling wiggles in here, only dump truck grinches.
"Screamin Heathen"
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11-13-2017, 08:47 PM #17Member
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Went to the shop today and they can sleeve the bore but asked me to get the appropriate sleeve. So I need to get a steel sleeve but it seems to me that there is a lot of different measures on these steel sleeves. I really don´t want to order a sleeve with the wrong dimensions. Can you direct me to what measure the sleeve should be and do you have any recommendation regarding where to bye?
My plan (correct me if I´m wrong) is to get a sleeve the same size as stock bore. Even though the shop told me that they can make the sleeve fit whatever measure I want. What is the standard bore diameter?
Bimmer1
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11-14-2017, 12:37 AM #185000 RPM
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instead of getting sleeve/ordering pistonring set/finding rebore shop close to you,and maybe a problem/I would look for suggestions to ship block to a shop that is well versed in these movements.i'm sure these s&f guys will advise,this is a great site..s&fly for outboards,Dootalk for sleds-th
Last edited by mn808gade; 11-14-2017 at 12:41 AM.
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11-14-2017, 08:20 AM #19
The Pro Marine number for an Advanced sleeve is 1151SA. It fits the 86 and 87 2.4 200. Does not look like LA Sleeve offers an alternative. Make sure you machinist understand interference fit and get the exact specs from the sleeve manufacturer. I think it is .004 but do NOT go by my guess. Good luck.
RockTeam Junk
No sparkling wiggles in here, only dump truck grinches.
"Screamin Heathen"
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11-14-2017, 06:01 PM #205000 RPM
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Interesting Failure that you have there. You can see lines on the crankshaft that outline each of the bearing rollers. When we see this on aircrafts it can almost always be traced to the aircraft sitting for an extended period of time which allows oil to leave the bearing and water to cohesively stick between the roller and shaft. I can't look at your crankshaft with a microscope but I'm betting the lines are tiny corrosion pits which created stress risers for spalling. This could have happened recently or a long time ago but it likely lead to the bearing failure at that interface. Sometimes you can find a broken seal or way water got into the area, sometimes it can simply be from condensation when sitting for long periods of time. Either way that one set of bearing outlined corrosion pits formed over a long period of time while that bearing was not moved.
Last edited by Fishinmymission; 11-16-2017 at 02:43 PM.
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11-16-2017, 02:41 PM #21Member
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Interesting observation there. I´ve had the motor for 2 years but since the motor is a ´87-88 model it is a bit hard to tell what life the motor has had so far. But in the future, when I hopefully get the motor rebuild, I´ll try not to leave the motor sittting for longer periods.
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11-19-2017, 07:47 PM #22
I think it's time to look for another power head! Probably save ya money... definitely save time and anguish!
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11-19-2017, 10:23 PM #23Member
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I´ve thought the same but I´m not sure where to look for a rebuild powerhead. On Ebay they sell for 4000$ - 5000$ plus shipping to Europe which makes it a lot less expensive to try and replace the damaged parts (rebuild it myself).
However if any of you guys can tell me where to get a rebuild powerhead at a fair price please let me know. I´m aware that a rebuild powerhead will cost me more than parts for rebuild alone but thats fair enough.
Any suggestions are welcome.
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11-20-2017, 03:01 AM #24
I've got 2 fresh mid 90's 2.5 200 efi or carb
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11-21-2017, 11:09 AM #25Member
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Interesting, but when we are talking powerheads, I guess thats only the Block and internals right? I mean, how much is included with these motors/powerheads you have up for sale?
Sorry for all my questions but I need to get into the lanquage/terms so that I understand exactly what we are talking about.
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11-28-2017, 09:04 PM #26
You bore the one cylinder and install a steel sleeve in it. Use the same piston as other cylinders but the rings are different. Cost to replate is over 1k sleeve is usually around $275-$350. Is a very common practice. Do them quite often. I hope this helps.
James Perry
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11-28-2017, 09:07 PM #27
Sorry..overlooked other responses....
James Perry
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11-29-2017, 01:06 AM #28Member
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It does help, thanks for your reply. All ideas and advice is welcome
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11-29-2017, 08:08 AM #29
I will be making some 2.4 sleeves in a few weeks for a project. The ones I make are short and a lot easier tok finish out. I can send one to you if you pay shipping if you already haven't got one.
James Perry
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11-29-2017, 04:04 PM #30
I have 4 2.4 sleeves that have been under my bench forever. I was going to post them for shipping costs.
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