A Revolutionary 2-Stroke V8 Outboard Engine

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This video is fair use under U.S. copyright law because it is transformative in nature, uses no more of the original than necessary and has no adverse effect on the market for the original work.
- Credits -
“Hydroplane Evinrude V8 first test” by Roy van den Ende
• Hydroplane Evinrude V8...
“omc v8 gt300” by Fred M
• omc v8 gt300
“Eliminator 21 Evinrude 300HP V8” by spdrmns
• Eliminator 21 Evinrude...
“Johnson 300hp v8” by Victor Frisk
• Johnson 300hp v8
“Hydrostream vKing v8 300hp” by Chris Bodnar
• Hydrostream vKing v8 3...
“Evinrude V8 is the world's fastest outboard EVER- 176.556mph average” by LIQUIDNIRVANA
• Evinrude V8 is the wor...
“V8 Hydro Testing” by Jeff Georges
• V8 Hydro Testing
“F1 v8 OMC Molinari” by Rodarooni
• F1 v8 OMC Molinari
“EVINRUDE V 8 Tuned and Dynotested @ VM Performance Sweden” by vmperformance101
• EVINRUDE V 8 Tuned and...
“Johnsen GT 300 V8 Aussenborder” by Ronny Gesche
• Johnsen GT 300 V8 Auss...
“Evinrude V8 4.0 liter, CDI electronics test run” by Roy van den Ende
• Evinrude V8 4.0 liter,...
“Evinrude Formula 1 - Under The Cowling” by finishlinemarinesale
• Evinrude Formula 1 - U...
“Johnson (OMC) V8 outboard 275hp” by A+ Auto Advice
• Johnson (OMC) V8 outbo...
“Evinrude V8 startup” by Rouen Brits
• Evinrude V8 startup
“Yamaha 425 XTO V8 Sound” by TheTody87
• Yamaha 425 XTO V8 Sound
“Mercury V10 400HP Outboard | Raw Takeoff and Acceleration” by Fishing Monthly Magazines
• Mercury V10 400HP Outb...
“Big Johnsons” by mp855835
• Big Johnsons
“Evinrude 300XP 2-stroke” by Runbag
• Evinrude 300XP 2-stroke
“Rudezon Testdrive” by muggeg
• Rudezon Testdrive

[@thefinalkayakboss]

When we were kids one of my friends dads had a handbuilt 21 foot speedboat based on a formula hull, guy was a marine diesel specialist and knew damn near everything about boats. He hung one of these things on the back. Only boat ive ever been in that had a gas pedal. Thing screamed when you punched it and the boat came up on plane. What a machine.

[@masjuggalo]

I've been in a boat with a gas pedal but it had a 455 rocket in it

[@oneninerniner3427]

429 tunnel ram with a jet pump, thing was about an 18'. Lot of fun!

[@oneninerniner3427]

Don't remember the brand, but It was a fiberglass V hull and the whole boat was maybe 30 ish inches high.

[@oneninerniner3427]

I rebuilt the engine in it many years ago for the owner. It ran well but he eventually sold it. I'd entertain the idea of buying it if I could find it.

[@SailingAnja]

I love my 1987 70HP Evinrude..its only a 3 cilinder but the torque and power is brutal for such a small engine and drinks more then a team of rugby players.. love it!

[@KindaLeon]

I knew the Rudezon was going to make an appearance

[@dadgarage7966]

It's truly unique and performs as well as it looks.

[@C-Fury_LTD]

Before the v8 Evinrude had developed a 4 rotor Wankel race outboard - I read it was insanely powerful Mercury got it banned!

[@jlo13800]

Yep I got some omc 528 2 stroke rotaries!

[@C-Fury_LTD]

@@jlo13800 That's cool!

[@fairwind8222]

@@jlo13800want to sell one? I have a feeling you may have seen one or two with ficth injectors, “they do exist!”

[@user-mi2xw4kh8n]

😮that is way beyond cool

[@Carstuff111]

A friend of mine loved Evinrude outboards because of their power, their efficiency and he never had trouble finding parts for any of his outboards. From his very oldest outboards (at the time, likely about 20 years old) to his newest at the time 300HP beast he put on his bass boat, he always had easy access to parts if or when he needed them. I wish he was still around, miss hanging out with him and family on his pontoon, fishing the lake from before sun up to sun down.

[@yeahitskimmel]

Unfortunately not any more these days, I've got a 1992 outboard that I just have to live with the plastic carb bowl leaking on bc it's warped and I can't find another. Even tried a metal bowl from their earlier carbs to no avail

[@hardergamer]

@@yeahitskimmel Find someone who can do fine 3D printing who also has a 3D scanner.

[@jetjazz05]

I wasn't born until 1988, I was born in the rural USA (Pennsylvania, so I suppose "northeast USA"). As a child, say in 92 or 93 I watched "The Rescuers Down Under" many times which had a character named Evinrude. As an adult I learned about Evinrude engines and I've never been able to shake the fact that the implication was that Evinrude the Dragonfly was a nod to the small and powerful engines with the same name. Great publicity for the Evinrude product, though, I have much love for that little dragonfly!!!!

[@TillerMicroSkiffs]

My father was a test boat pilot for OMC... these were beasts.

[@randy0048]

Was he in Stuart Fl?

[@TillerMicroSkiffs]

@randy0048 yes sir!

[@randy0048]

@@TillerMicroSkiffs My dad worked at OMC Calhoun. I had been to Stuart with him back in the late 80's.

[@gregwhatley6778]

i used to test these motors at omc calhoun in the test cell. they were beast, sounded awesome. i worked there from 84 to 89

[@randy0048]

​@@gregwhatley6778I enjoyed being in that place. The noise in the test cell was awesome.

[@wadewilson6628]

As someone who used outboard for actual ocean use and not just shooting across a lake, I have to say big Evinrudes were junk. They drank fuel like crazy and broke down constantly. That's why Yamaha came in and ate their lunch.

[@StoopidSmith323]

Love the Jerry reed pic. What a legend.

[@importsstillsuck]

Best way to turn fuel into noise.

[@IFRYRCE]

Harley'll do it without making any of the HP this does

[@turbo8454]

@@IFRYRCE 🤣

[@Heve62]

Id vote for W8

[@timothyleeuw5895]

Jet engines

[@soggycracker5934]

Always wanted to put one of these in a car.

[@mynameisschezuan]

Miata screaming!

[@soggycracker5934]

@@mynameisschezuan I kinda thought a Civic...

[@ct1762]

not as great as you think. they need proper exhaust backpressure, or else the low end punch sucks. this has been the case with all of them in cars. in boats they absolutely scream, with a table-flat torque curve

[@soggycracker5934]

@@ct1762 I can cope with that. It's only 300ish horseys, I'm not expecting it to be amazing, but it would dang sure sound awesome,

[@ChuckThree]

There used to be a couple videos on KZbin of a guy that had one swapped into a sandrail and it sounded incredible. It was probably the single best audio clip for these 2 stoke V8s. Unfortunately it seems that the videos were removed a few years ago for whatever reason. There were a couple videos of it in the dunes running through the rpm range and a few videos of it on the dyno. Alas, it’s Lost Media 😢

[@snjert8406]

Check the wayback machine. They might have been archived!

[@ultraneight]

KZbin, based in California, banned 2 stroke engines and subsequently all 2 stroke videos made in CA had to be scrubbed. Newsome believes the smoke from the videos was polluting the air. Don't quote me on this but it's basically a fact.

[@tonn333]

Do you mean Rudezon?

[@themadscientest]

I was waiting for The Rudezon to show up, by far my favorite hot rod ever.

[@leeharris3061]

Nothing better than the sound of a 2 stroke ..they are thirsty tho..but its just fine with me👍🏻

[@h7qvi]

Smiles per gallon 😅

[@user-bm8ls6vt1v]

The best engine noise ive heard was 2 2stroke v6 outboards echoing around the bay

[@jeanclaude7018]

Good to be rich

[@1vend7]

I'm not a fan of burning oil and the smell is horrible, but the performance is impeccable

[@masjuggalo]

The downside of having roughly twice the power of a similar 4stroke

[@sled_neckx9972]

I have always wanted a 300XP. I also have to find a hull to put it on!

[@frankorobinson1540]

Nice old technology for its day but if I had a choice now it would be a mercury racing 500 on my 21 footer 😮

[@johnarnold893]

@@frankorobinson1540 I'm looking for a nice used but never abused LM1500 for my 1969 Chrysler Charger 151.

[@ScottMorganHarris]

I have both for sale. Let me know if interested

[@powerboatguy2308]

I had twin V8 Johnsons on my 25 Cougar MTR tunnel, they were beefed up to 360 H.P. each, those were the best sounding motors.

[@pieterhenderson3445]

Born from a storm. Merc ruled racing and OMC needed to make a statement and they did.

[@saltysteel3996]

I had the 200XP V6 3.0L. It was a good motor. It just sucked a ton of gas so a 30 gallon tank only lasted about 20 miles. My 150hp 4 stroke Mercury 3.0L goes over 120 miles on 30 gallons of gas.

[@brentmiller3951]

Of course jerry Reed has a big smile on his face looking at that Motor .

[@ramcharger154]

❤Always glad to see another awesome vidya!🎉

[@GIGABACHI]

Call them dogs, call them fuel thirsty but you can't call them not cool. There will never be anything like it in the foreseeable future. Same as the 2 Stroke Detroit Diesel. A God level aural experience.

[@jezzeestewart3712]

I love those Evan rude 2 strokes wish they still made them

[@markbarber7839]

Half the boats displacement needed to be for fuel for an afternoon of skiing

[@ct1762]

well at cruise it took about 15 gallons/hr. so no, 30 gallons would get you around just fine and most boats that used these had 60 gallons minimum. alot of fuel but not as bad as youd think depending on the hull. on a fast 90mph hull, it was even better

[@Kaimera23]

Someone needs to cram one into a Caterham, Locost style chassis for some mega power to weight! 👌🏻

[@mr.airsoft8295]

One of the most badass engines ever made.

[@chefdan87]

My cousin had one of these on a tiny little bass boat. It still might be the fastest accelerating vehicle i have ever been in. It would pin you into the seat.

[@minibikemadman]

the dual plugs on those f1 motors are sick.

[@windsormohler5031]

Do a whole exhaust compilation of all sorts of 2 stroke outboards they sound sooo good

[@ChuckBeefOG]

Those sound so sick.

[@chesspiece81]

I know the V6 2 stroke outboard motorcycle but one of these would be so cool built in a Cafe style motorcycle

[@jlo13800]

How about an f-150

[@paulmoir4452]

Since the load in a boat is pretty much constant, these marine engines don't really have much going for them for road use. They have to make 100% of their power for hours so you can't pull the tricks you do for extreme but unsustainable power on a road wheel vehicle. A 4-stroke example is people trying to fit 3.0L Mercruiser engines into Hondas. Doesn't actually work out as good as the V-Tech (bro!).

[@jlo13800]

@@paulmoir4452 4 strokes work like joe biden, they stumble on every other stroke!

[@kingnorlen]

1:07 ALL HAIL JERRY REED!

[@DroneStrike1776]

Rudezon sounds insane!

[@pate8079]

I have a 250HO G2 Etec, best motor I’ve ever owned!

[@dylangokee5868]

You won’t be saying that for much longer

[@pate8079]

@@dylangokee5868 why it only has 500hrs, my G1 ETec had 3800, and still ran when I repowered!

[@Airforce1Gunny]

Those plastic carbs sucked to work on.

[@JohnSmith-pl2bk]

The production carbs that had plastic bowls were a problem... with the engine tipped the warped bowls leaked fuel/oil onto the transom well where the engines were mounted... A friend who had a 175 Ocean Pro and hated maintenance of any engines cut his maintenance eye teeth on replacing all 6 bowls... .... and resynching all the carbs. Now he tackles anything...

[@jdsstegman]

I'm not a boat guy but indeed a 2 stroke lover. I had wood the whole time!!

[@JR-ho5qm]

I would have loved to see a V8 G2

[@frankorobinson1540]

Perfect for my 16 ft sea ray the 150 black max has lost its excitement 😊

[@yeahitskimmel]

Lol growing up my dad had a 18ft Sea Ray with the 150 Black Max and it felt stupid fast on our little lake

[@808bigisland]

Grew up with an Evinrude 4hp. My Tohatsu 2-stroke was very dependable

[@matthewshambler2644]

Epic stuff! My wife's uncle has a modern Evinrude on his boat and you'd never say it was a 2 stroke.

[@l.siestador7248]

I would say it was, because it was.

[@ct1762]

you mean direct fuel injection yea. very smooth an quite

[@memeofwheat]

I want one in a cross cart

[@bobwilson758]

Hydro stream boat with the big Johnson ! Raker prop = high speed !

[@pizzagogo6151]

Thanks for covering these, I as had no interest in boats but do like hearing about interesting engines....just makes me sad that the time effort was being but into these being developed was just when 2-strokes basically disappeared from road going motor-cycles.😢

[@ml.2770]

I wish Rotax would bring their direct injection 2 stroke tech to big outboards.

[@ct1762]

umm you know bombardier bought OMC right? and used Etech direct injection? rotax valves would not do anything for them.

[@ml.2770]

@@ct1762 Umm ya I know. Rotax is Bombardiers small engine division with all that tech. I want to see big 2 stroke v8s with the direct injection we get on the sleds.

[@ellgwapo.1754]

That's! 3,6 litr'e v8 in too' a Ski doo' 2.

[@dallasklement3334]

As cool and awesome these were they never reached the levels the Mercury 2.5 did in the hotrod boat scene. That being said Its always a treat to see one of these behemoths on the river/lake, Amazing engineering by omc, shame evinrude is no longer with us. One of these on a Stoker or older Daytona eliminator would make a beast of a lake boat.

[@hopebear06]

I had a Mercury blue band. Can't remember the size but it overpowered the 16ft fibreglass boat it was on. Holy heck it was fast!

[@thestruggler3338]

the old blue balls eh?

[@Twobarpsi]

Epic!!

[@ptsdgopedsnbikes8156]

that was jerry reed next to that v8 2 stroke merc

[@carguybikeguy]

I love when you do aquatic motors because that’s something I know absolutely nothing about save for what you have here on your channel. That last bit was particularly interesting to me, because I am a Volvo fanatic having own several. But leave it up to some bored Swedes.

[@Flies2FLL]

It's hard to say over the "chainsaw" engine note, but I suspect these V8's had cross plane crankshafts.

[@ct1762]

the F1 versions did have an "evenfire" crank, but the stockers didn't no. once you put it in the water like it was designed, it sounds nothing like a chainsaw. deep, low and absolutely nasty snarl!

[@rustirab3465]

0:11 I have an outboard repair Manuel that warns against revving the engine like that as it can cause it to blow apart.

[@ct1762]

correct. no back pressure on the hose! will cause piston galling and chatter marks on the crank.

[@Keterius]

Would it be a bad idea to put this into a Civic or Miata

[@paulreilly3904]

Absolutely not. In fact that's a damn good idea. Might not be exactly straightforward, but you have the support of the whole British nation 😁

[@amaccama3267]

I've always thought that a high hp outboard motor would be very interesting in a small open wheel hillclimb car.

[@michaelrockwell9691]

Never heard Mercury pronounced like that before, lol. Always love the videos though!

[@WillInWestPalm]

"Mercoory"

[@Sausketo]

Shit now im wondering if the mercury engine on my dads boat was a 2 stroke v6, because it sounded exactly like the v6 you showed

[@genekraaz-iz2kh]

The evenrude v8 was built and develpoed by a co in fl called second effort...theyvwere later bought by omc..

[@jamesgeorge4874]

The boat at 2:01 is ridiculous, looks about 14 feet, with a 300...

[@davidjernigan8161]

How does it compare weight wise to a Mercury 2.5 offshore?

[@ct1762]

a 2.5 weighs around 380 lbs. so a lot lighter, but a lot less torque.

[@robertlowe29]

Snowman at 1:10

[@Durkamoo]

I need this in a miata

[@yeahitskimmel]

Growing up I had a 3HP Evinrude, weirdly a twin cylinder and it ran dead even with my buddies 6HP single cylinder Merc. I swear they way under rated their small outboards back in the day

[@brianb-p6586]

I'm disappointed that there is essentially no information about the engine design. Yes, the specs are nice, but how are these things built? They appear to have the crankcase scavenging typical of small 2-stroke gas engines, but how does that work in a vee configuration, with two pistons sharing the same section of crankcase so a conventional vee design would have no useful pumping action? I did find an image of a 2-stroke V6 crank which suggests that each connecting rod is isolated from the next rod on the same crankpin by a disk, dividing the crankcase into separate chambers for each cylinder... it would have been nice to see that.

[@marktiltins8845]

WOT , thats what 2 strokes are made for , not trolling at 8 knts

[@anthonyrowland9072]

The problem with some two stroke exhaust systems is it winds up sounding like 4, 6, or 8 single cylinders running at once.

[@ct1762]

in the water they sound like one big smooth monster with a snarl. totally different!

[@skinny.chicken]

how is a 135hp to 200hp a 50% increase?

[@joshuaharrison9331]

why would you bother with a 2T thats not using a tuned pipe?

[@davidjernigan8161]

And OMC went bankrupt due to trying to successfully build a two stroke engine to meet EPA requirements. This is why two stroke outboard are no longer made.

[@JohnSmith-pl2bk]

It wasn't a fair Ficht.....oh wait.....

[@tomtom1541]

Rotary engines have the same issue, they don't meet EPA rules because they burn too much oil. So Mazda discontinued the rotary.

[@timothydevries383]

I'll take the Yamaha V8 thanks.

[@NitroTom91]

No exhaust resonance with one of these is just a huge waste of potential. Then again think of how to wrap 8 resonance pipes around there. 😅

[@vr6prodigy]

Still wanna swap one into my VW lol

[@user-fn4ub2yb2k]

I would pit this 2 stroke V8 into a motorcycle

[@Michael_Michaels]

Don't get me wrong, but you're spelling wrong the word "Mercury". 😅The accent is in _mer_ . It's _MERcury_ and not _merCUry_ . Thank for sharing. Nice video. These engines sound angry AF! Classic 2 stroke.

[@VisioRacer]

I have this problem often with many words. In my mother tongue, the emphasis is always on the first syllable unlike English (and many others) where this is not stable and often changes. I often know the right emphasis, but I do not catch it during recording.

[@jamesspalten5977]

​@@VisioRacerYou do great! Where are you from? I would guess an Eastern European country. I have friends from Moldova.

[@JamesRogers-vs4vb]

You wouldn't want to run one of them in the UK atm cost a you fortune would have to sell the house

[@miketee2444]

The V8 part may draw attention but the winners circle was proof. Mercs 2.5 was a far superior platform. The comparison between OMC engineers and Merc. Isn't even fair. Like chess to checkers.

[@ct1762]

OMC v8 set the world outboard speed record, and in 1980-1983 wiped the floor with Mercs but they changed the rules so no V8. thats why they didnt get known that well later on.

[@miketee2444]

@ct1762 I saw thar coming a mile away. You do realize there was nothing left of OMC on that motor right? OMC ports look like a child cast them. Oh ya, that winners circle thing pretty much ends your argument anyway.

[@ct1762]

@@miketee2444 OMC has won a ton of races once again. the 3 cyl loopers both 49 and 56ci were untouchable and still are. yes merc has done amazing stuff with the promax/super mag, but OMC was really designing fishing motors for heavy boats and still held their own, especially off the line. i agree the port work by the mid 1980s was horrible though. just did a 130 looper with one intake port having so much slag in it im suprised it didn't break off. but i love them because they are easy to clean up.

[@rustynutz_marine]

**** 176.556 mph

[@bigjer2899]

Yeah…real good motors. Too bad they are no longer in business. NO MORE OMC, JOHNSON, GALE ETC….ADIOS

[@leoassi2046]

...still the fastest outboard in the world

[@dkjens0705]

Around 2000 - 2010 a friend of mine in Lake Havasu had a 21' Eliminator with a Merc 300 V8 outboard. We would do 90 mph up and down the Lake and around Parker dam and casino and up the river, easily doing away with 40 gallons per hour when on it. Oh yeah, that was a real black hole, small compared to large boats, but that bottom end never lasted long with a surface prop and he didn't invest in a strong race bottom for that engine. Good times were had but with all these things, fast becomes not fast enough and the black hole starts requiring feeding ha ha.

[@stanleybest8833]

Completely useless grief for the public boater. My 6 HP Elgin is as far as you want to take 2 cycle, and only because it is smooth and meticulous.

[@whathappened2230]

Weirdly enough I have one of those Elgin engines.

[@edwardhewer8530]

The modern 2 stroke Evinrudes intrigued me because you could have a dedicated trolling motor alongside because they were such light weight.

[@darrelldoran509]

What pollution ?

[@joebufford2972]

A two-stroke V8 car engine now that's America 🇺🇲🫡

[@JohnSmith-pl2bk]

It was of course done in Sweden...(Volvo Amazon a good clue)

[@aquilaaudax6033]

✋🏼🇦🇺👍🏼

[@fairwind8222]

Shame on BRP

[@jo-qp7mz]

It was called the tower of power! All the boat guys know about it.😊

[@STiX_87]

There's no gas station at sea... So it seems a bit useless to me. It is impressive yes, but if you run out of fuel, in the middle of nowhere...? You can't push swimming it. You can't walk some dozens of meters with a can of fuel, in order to supply it. In the sea, you need something with high fuel range...

[@thefinalkayakboss]

It was basically a racing motor. And there are gas docks on the water. This thing was never intended to cross large bodies of water in that's not the point.

[@paulreilly3904]

Do you always invent problems where none previously existed?

[@ZoneTelevision]

Mercury Folk would do well to run and hide. They will NEVER beat OMC's record.

[@JimEdmiston]

Good Lord, can you talk any slower?

[@carljohnson-yd2zq]

Yea I hate to break it to you but the V8 was garbage. Heavy ate fuel like it was a Arab prince and in general had bad balance on the small boats it would need to chase big numbers. Oh and it was made poorly and had closed exhaust deck so big mods came hard.

[@DownEastSaw]

Complaining about the fuel economy of a 2 stroke is a weird angle……but okay.

[@jongoin4404]

Ummm, you ever heard of this thing called “punctuation”??? It’s your friend, I promise!!! 😂😂😂

[@JewelzTheEmeraldGod]

​@@DownEastSawfr

[@benradey379]

Heavy isn't an argument because it's still lighter than the lightest stock modern 300 four-stroke. And yea they chug the fuel but that comes with the territory of boating in general.

[@pieterhenderson3445]

BS was a top machine in the era.

[@Spectrolite1]

Jesus is king!

[@louwrentius]

👎👎 Two-stroke is an abomination for the environment and it’s insane we let this oil burning fuel wasting trash engine dump its exhaust in our bodies of water 🤷‍♀️👎

[@xGxPhantomZzz]

Why did you even click the video just to write this

[@paulreilly3904]

Go back to your vegan burger

[@emanemanresuresu]

Yeah, k, but 4 stroke boring.

[@Bata.andrei]

Walk on, nothing here for you!

[@monsieurcommissaire1628]

🔱 🤡

[@onkelblaa08]

Sorry - this guy's english makes me seasick!