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New Mercury 75, 90 and 115 Fourstroke
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ContinuousWave Whaler Moderated Discussion Areas
ContinuousWave: The Whaler GAM or General Area
New Mercury 75, 90 and 115 Fourstroke
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| Author | Topic: New Mercury 75, 90 and 115 Fourstroke |
| fishgutz |
posted 06-18-2014 11:45 AM ET (US)  
http://www.boatingindustry.com/news/2014/06/17/ mercury-marine-unveils-new-lineup-of-fourstroke-outboards/ Look nice. My only question is 20% lighter than what exactly? |
| fishgutz |
posted 06-18-2014 11:45 AM ET (US)
Oops, meant to say 20 pounds lighter. |
| sosmerc |
posted 06-18-2014 11:55 AM ET (US)
Looks like a winner ! The current Merc FourStrokes in this hp. range really needed to go on a diet :)........ The latest 150 EFI Merc FourStroke is now a proven winner and these new engines will most likely be very well received. I wonder where they are being built? |
| Teak Oil |
posted 06-18-2014 11:56 AM ET (US)
Counter rotation on the 115 is nice. |
| Peter |
posted 06-19-2014 07:29 AM ET (US)
With approximately 23 percent more displacement than a 1.7L 4-cylinder DFI 2-stroke, it should provide a similar power curve. With the 115 HP (54 HP per liter) being the top of the range, it seems that the 3L (also currently at about 54 HP per liter) might not get bumped up in HP as some hope for. |
| sosmerc |
posted 06-19-2014 11:06 PM ET (US)
I wouldn't think it too difficult for Merc to bump up the displacement of the current 3.0 litre 4 stroke to make a 175 or 200hp. It's the basic layout of the engine and the simplicity of the attached components that make the design so appealing. It looks like the new smaller 4 cylinders have taken the concept downsize, so I wouldn't be too surprised to see Mercury also upsize the same concept/layout as the 3.0 litre. The need for a more compact 75/90/115 4 stroke was greater the the need in the higher horsepower range.....but my guess is it will be coming in the not too distant future. I like what I see so far and I haven't heard anything negative at all about the 3.0 litre Merc FourStroke...it's a solid design. |
| Peter |
posted 06-20-2014 07:13 AM ET (US)
Going with a 54 HP/L maximum, Mercury would need 3.7L of displacement for a 200 HP motor to achieve the same concept of low output per displacement. At one time Mercury did produce a 3.7L 4-cylinder 4-stroke called the "470". I think it was well under 200 HP. Perhaps they can pull that out of mothballs and turn it on its end. I wonder how big the new 2.1L 4-cylinders are? In other words, how would a 2.1L 4-cylinder 90 look on a classic Montauk? The former 1.7L 4-cylinder 90 looked big to me. |
| jimh |
posted 06-20-2014 10:12 AM ET (US)
I don't know anything about these new outboard engines from Brunswick. Have these new 75, 90, and 115-HP four-stroke-power-cycle engine replaced the prior generation of FOURSTROKE engines based on the VERADO FOUR CYLINDER engine block configuration, which we lovely have called the VERADITO engines? Are the VERADITO engines still in production? Or are they now dropped from production? I hope these new FOURTROKE engines (not based on the VERADO block) will be smaller than the present models, as those engines had cowlings that were disproportionately large for the horsepower provided, particularly in the 75-HP and 90-HP models. |
| bluewaterpirate |
posted 06-20-2014 11:29 AM ET (US)
No they are not replacements. The Verado line up remains intact. I fish with a gentleman than that has twin 150's they are great motors. He's put over 400 hours on them so far not one issue. They're on the street. http://www.mercurymarine.com/engines/outboards/fourstrokes/75-115/ Tom |
| jimh |
posted 06-20-2014 12:48 PM ET (US)
I was not expecting the VERADO FOUR CYLINDER engine to be dropped, and I was not asking about that engine. I am interested to know if the prior version of the 75-HP, 90-HP, and 115-HP FOURSTROKE engine that was based on the VERADO FOUR CYLINDER engine block is going to be discontinued and no longer produced, and that these new engines, apparently based on engine blocks of larger displacement are going to take over that horsepower range. It is a bit confusing because the model designator FOURSTROKE is used for these engines. The only way I know to distinguish the otherwise similarly designated engines to mention their engine blocks. Before there were 75-HP, 90-HP, and 115-HP FOURSTROKE models that were based on the 1.7-liter VERADO FOUR CYLINDER block, and now there are 75-HP, 90-HP, and 115-HP FOURSTROKE models that appear to be based on some larger displacement block, which I think is mentioned as being 2.1-liter displacement. Does this mean that the 75-HP, 90-HP, and 115-HP FOURSTROKE models with 1.7-liter are now obsolete and out of production? As I mentioned, we have been discussing these engines for years by referring to them as VERADITO engines due to their use of the VERADO FOUR CYLINDER engine block, minus the supercharger (and who knows what else). |
| jimh |
posted 06-20-2014 01:01 PM ET (US)
Tom--That URL you gave points to the 1-7-liter engines that have been made for some time now. I do not see the new 2.1-liter engines listed on the page you are pointing to. |
| jimh |
posted 06-28-2014 02:59 PM ET (US)
It has been eight days since Tom linked to the Mercury website which was said to contain information about the new FOURSTROKE (based on new 2.1-liter block) engines were supposed described, but I see that Mercury has still not updated the information on that page. All the specifications are still for the old FOURSTROKE (based on the 1.7-liter block from the VERADO). Is there any more information available about these engines? I have searched around a bit, but cannot find anything on the web about them. I think a press release from Mercury was the basis for the linked article in the first posting in this thread, and that at that same time Mercury was conducting some sort of dealer meeting. I stopped in at a Mercury dealer a few days ago. They had no information on the new engine. They had no literature. They didn't really seem to know anything about it. So far it seems like one press release contains all the information to be had. |
| CdnWhalerGuy |
posted 06-28-2014 07:40 PM ET (US)
Check again. The new information on these new Four Strokes (including a 16 page PDF Brochure) is now on the Mercury Outboard site. Cheers |
| jimh |
posted 06-29-2014 08:05 AM ET (US)
Can you give the link to the PDF file, please. Thanks. I do see that this morning, nine days after the link was first posted, that the website has been updated. There are new specifications, now for the 2.1-liter engine instead of the 1.7-liter engine. |
| CdnWhalerGuy |
posted 06-29-2014 10:30 AM ET (US)
http://www.mercurymarine.com/media/mercury/documents/75-115_Brochure_2014.pdf |
| jimh |
posted 06-29-2014 08:12 PM ET (US)
Here are the specifications for the new Mercury FOURSTROKE models that replace the old FOURSTROKE models that replaced the older FOURSTROKE models that replaced the first FOURSTROKE models in this horsepower range: Specification,75 EFI FourStroke
Specification,115 EFI FourStroke Specification,115 Command Thrust FourStroke |
| Mr C |
posted 06-29-2014 11:46 PM ET (US)
One of four listed test reports for the Mercury 2.1 L 115 HP with Command Thrust. http://www.mercurymarine.com/engines/engine-tests/boat-house-bulletin/?ID=1282& Dave |
| bluewaterpirate |
posted 07-01-2014 08:32 PM ET (US)
Updated link: http://www.mercurymarine.com/engines/outboards/fourstrokes/75-115/ More info: http://www.mercurymarine.com/media/mercury/documents/ 75-115_Brochure_2014.pdf |
| sosmerc |
posted 07-02-2014 10:44 PM ET (US)
I like the direction Mercury is headed with these engines. There isn't any earth shaking technology here, just back to basics and easy maintenance. I think they are going to fit the bill for many folks. I'm eager to find out where they are going to be built. Will this be a return to more engines produced here in America? I hope so. |
| GSH |
posted 07-05-2014 05:43 AM ET (US)
Interesting: in the EU market these will be sold as 80, 100 and 115 HP outboards. One wonders if there will really be any difference apart from the numbers on the cowling and in the documentation. |
| jimh |
posted 07-05-2014 06:10 AM ET (US)
GSH--Thanks for that observation re the power ratings in Europe. I think something similar was seen before with some Yamaha engines; they were rated for more power in Europe than in North America. The surprise to me is that Europe still clings to power rating in horsepower instead of in kiloWatts. |
| Don SSDD |
posted 07-05-2014 07:39 AM ET (US)
The new engines, designed to provide a hassle-free boating experience, are 75, 90 and 115hp FourStroke outboards and a 4.5-liter 250hp sterndrive unit. All of the new engines are built at Mercury's headquarters in Fond du Lac. Posted on Merc's website. Don |
| Whalerdog |
posted 07-05-2014 08:37 AM ET (US)
The original 07 115 I have on my 19 Montauk is about the ugliest motor I have ever seen. Also an over weight pig. Glad to see it go. |
| boatdryver |
posted 07-05-2014 09:59 AM ET (US)
The new 4.5 litre 250 Hp Mercruiser engine is not based on an automotive engine block like previous versions, according to the Mercury web site, and is 100% Wisconsin built. The following is an excerpt from the Mercury web site regarding corrosion protection: "Mercury Marine built the ultimate anti-corrosion protection system into the 4.5L V-6, using durable cast-iron componentry wherever the engine encounters seawater, and corrosion-resistant aluminum and composites everywhere else." Does this imply an assumption that in saltwater applications freshwater cooling is used and only the cast iron exhaust manifolds and risers and heat exchanger are exposed to seawater (not newsworthy) and that the new engine block is aluminum? JimL |
| jimh |
posted 07-05-2014 07:05 PM ET (US)
Many sterndrives used automotive engines based on the GM 350 small block, a 5.7-liter design that was made in the millions of units. I think that engine has gone out of production for automotive use, and perhaps GM has stopped production of the basic block for companies like Brunswick to use in marine applications. That may have been a factor in Brunswick making their own engine block. Most of the new automotive engines are all aluminum designs. I don't know if they're suitable for adaptation to marine use. The thread is really about outboard engines, so perhaps we need to branch to a new thread to continue talking about new sterndrive engines. I hope the new model will be more successful than the Brunswick/Mercruiser VAZER sterndrive. The VAZER was announced with a lot of fanfare about a decade ago, and disappeared about six months later, never to be heard from again. |
| Don SSDD |
posted 07-06-2014 06:31 AM ET (US)
Jim, GM still makes 350 crate engines and sells them to the old auto market in huge numbers. A bare block is about $800 at Summit, so whatever Brunswick's motivation, my guess is it likely wasn't GM discontinuing blocks. --Don |
| jimh |
posted 07-06-2014 08:15 AM ET (US)
That is very odd that the 350 block is still around and Brunswick is going to start making their own to use instead. |
| King PV |
posted 07-06-2014 04:30 PM ET (US)
Ever since I entered into the marine industry, (seems like a lifetime ago... actually, it was) I've been told by OEM people that the total usage of GM blocks, didn't amount to much more than a few days production. I don't know how accurate that really is/was but GM, as an example, told Merc and Volvo just a few years ago that 4.3 V-6 engines were gunna go away. Merc bought lots of production slots for the engines while Volvo didn't. Them, GM stated that the engines would continue perhaps longer than previously stated. Anyways, Mercruiser and Volvo are and have been at the whim of GM and Ford (how many times have they been in and out of the marine business) forever. The most popular engine in recent years is eventually going away so Merc is gunna take the bull by the horns and build the next generation of stern-drive power. It just may have a starter mounted on top of the engine and the oil filter as well. Life could only get better! I have yet to here what Volvo will do... |
| Don SSDD |
posted 07-06-2014 08:10 PM ET (US)
http://www.chevrolet.com/performance/crate-engines.html Take a look there, can't see GM getting rid of crate engines, unless it is not profitable, maybe it is. These engines would not be part of CAFE. An article on the new Merc speculated they would replace the 4.3L GM with a detuned 4.5L. The GM 4.3 is a shortened 350 block- bore and stroke the same and a lot of parts interchange like pistons, rods, etc. A nice feature, maybe Merc is going one further by making a lot more interchangeable by using the same block and displacement. In addition, GM would not be doing any emissions or fuel economy R&D on these old blocks. Don |
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