2 Cycle is King over 4 Stroke by my comparison formula.

[Lake X Kid]

I think using my comparison parameter the 2 Cycle is King of performance.

[Pulse186]

The 2 cycle is dirtier than a 4 stroke and 4 stroke technology has reached a point where the power to weight ratio is pretty much the same. From a commercial standpoint it is easy to see why the 2 cycle is gone.

[pcrussell50]

The 2 cycle is dirtier than a 4 stroke and 4 stroke technology has reached a point where the power to weight ratio is pretty much the same. From a commercial standpoint it is easy to see why the 2 cycle is gone.

Begging your pardon, but are you from planet earth? Can you point me to a 380lb, 150hp four stroke like say the two stroke, 2.0L/150 V6?

Looking at Mercury's web site, the current four stroke 150 is AT LEAST 455 lbs and requires 3.0L to get there. How is that even on the same planet of power to weight ratio. Mercury seems so ashamed of the weight, that they only provide the weight of "the lightest model".

And Yamaha is even worse with weight though a little better with displacement. In four stroke, Yammie can get 150 hp out of just 2.8L. But it weighs (GULP!) 509 lbs.

Sorry mate but for all but my Whaler, that's just too much weight. I have a 400lb 90hp Mercaha four stroke on it. I love that motor to death. It is a fine motor for tooling around in a not-particularly fast, utility hull like my 17 foot Whaler. But it's HEAVIER than my mid-80’s 150 and 200 Merc V6 two strokes, which in turn are using ‘70’s technology.

Have you got a little more to back you claim? Because I can't find it.

-Peter

[Pulse186]

A very simple internet search will show that a 300R is around 520 pounds and the 300XS is 505, so yeah, the power to weight ratio is pretty much the same.

The 2003 200 EFI on my Checkmate is 400 pounds so 55 pounds more for a 4 stroke?

Whether you want to believe it or not 2 strokes are dead, and I like 2 strokes.

[Chaz]

PulseRate .. so your current boat has a two stroke ... and your next boat will be two stroke powered ... is that correct ... ???

The weight's listed are dry without a cowling with a slight updraft at the scales ..

While OMC / BRP and the bowling ball no longer produce powerful two strokes for the consumer market, it is quite naive to assume that there is not a whole cottage industry out there that could care less what is on the showroom floor. Their interest is in keeping the older stuff running as good if not better than the day it was brand new ..

I see in your signature you listed ...

Sold: 1991 POS GW Invader,

Personally, anything I own that I consider a POS .. gets smashed with a sledge, cut up with a saw / axe , carried to the recycle yard / dump or burned in a fire. I would never think of selling it to someone else.
Differn't value system I rekkon ...

[Muskoka2]

A very simple internet search will show that a 300R is around 520 pounds and the 300XS is 505, so yeah, the power to weight ratio is pretty much the same.

The 2003 200 EFI on my Checkmate is 400 pounds so 55 pounds more for a 4 stroke?

Whether you want to believe it or not 2 strokes are dead, and I like 2 strokes.

Randy Corson says the 300R weighs 561 lb.!

[JPEROG]

Never have stock outboard boats gone faster then with today's 4 stroke power. No debate, just proven fact.

Joe

[Chaz]

35% more displacement ..... AND a woodchipper hangin off the side of the head ..

Chaz = rememberin, you just wait till the 300r comes out ... LMAO remind me about 2022 Key West .. again.

Chaz = don't, see the mad rush to write home to mom over either one ...

But wait, if you order now, 10 ... 12 ... why stop there .. 24 cyl , 96 valve , 900 mules , 1500 pound ...... outboards. cuz thats what ya need to power your new 80' cat to run the flat as glass rivers of central Fl ..

[David - WI]

The 2 cycle is dirtier than a 4 stroke and 4 stroke technology has reached a point where the power to weight ratio is pretty much the same. From a commercial standpoint it is easy to see why the 2 cycle is gone.

I have seen ZERO evidence (nor even a claim from Mercury) that any of the four-stroke outboards are cleaner than an Opti or Etec...and I have looked and looked.

[Pulse186]

PulseRate .. so your current boat has a two stroke ... and your next boat will be two stroke powered ... is that correct ... ???

The weight's listed are dry without a cowling with a slight updraft at the scales ..

While OMC / BRP and the bowling ball no longer produce powerful two strokes for the consumer market, it is quite naive to assume that there is not a whole cottage industry out there that could care less what is on the showroom floor. Their interest is in keeping the older stuff running as good if not better than the day it was brand new ..

I see in your signature you listed ...




[/FONT][/COLOR]Personally, anything I own that I consider a POS .. gets smashed with a sledge, cut up with a saw / axe , carried to the recycle yard / dump or burned in a fire. I would never think of selling it to someone else.
Differn't value system I rekkon ...

The butthurt from some members of this board when they read something they don't like is comical.

My boats have 2 stroke motors, I love them but they aren't the future sorry for pointing that out.

And Chaz, the GW Invader was a piece of **** for me, the guy who bought it love the stupid thing. Different strokes for different folks I guess. But thanks for the personal attack, maybe that is part of the reason S&F isn't an active forum, asshole members like you.

[Pulse186]

Randy Corson says the 300R weighs 561 lb.!

And he also said every boat he has put one is faster than it was with the 300XS it replaced.

I'm not bashing 2 strokes, but good bad or indifferent it is a 4 stroke world now for outboards.

[Pulse186]

I have seen ZERO evidence (nor even a claim from Mercury) that any of the four-stroke outboards are cleaner than an Opti or Etec...and I have looked and looked.

Without a catalytic converter maybe not, but we know for certain (at least on newer motors) there is going to be less oil in the exhaust stream on a 4 stroke.

Ultimately though as long as the general public and idiot politicians think they are cleaner then that perception is key and what is being sold as part of the marketing.

[LakeFever]

I have seen ZERO evidence (nor even a claim from Mercury) that any of the four-stroke outboards are cleaner than an Opti or Etec...and I have looked and looked.

BRP made bold claims and delivered plenty of data on the etec emissions. None of the other camps followed suit because they arent as clean is the only rational reason why. If Merc hp power for power was cleaner than the etec that would have been an easy sales leader but nothing? The silence speaks. The public has bought the line that two snokes are dirty mostly because of califorincators and their regulation schemes. BRP has quietly reintroduced the etec again publishing emissions info while going light on the fact that they are two strokes.

what i cant believe is how i can run a 850 two stroke sled to the nuts for hundreds of miles and use so little fuel and ridiculously low amounts of oil. Those Rotax guys, have done their homework. Ive had such good luck with Rotax over the years both with performance and reliability so yes im a fanboy, for good reason

[pcrussell50]

I'm not bashing 2 strokes, but good bad or indifferent it is a 4 stroke world now for outboards.

Only at automotive weights and displacements. Unless you are willing to step backwards in power and weight. And at automotive weights and displacements, what is the point of having an outboard anyway, besides the novelty of it? Are four, five, or six giant outboards strung across the back of a giant boat, somehow cool and not clownish?

In the lower powers like the 150-200hp class, (Hydrostream and Allison), I can’t find anything much in four stroke below 500lbs. And it’s even worse for smaller power needs. Four stroke weed whackers are twice as expensive and nearly twice as heavy as two-stroke. My smaller Whaler, (I have a 13 and a 17, is rated for 40hp. It has a 40 Yammie two-stroke that weighs 148lbs. I don’t think there is a 40hp four stroke that is not 100lbs heavier, (last time I looked). If I want into a four stroke for that boat, I’ve got to give up power and go from 40hp to 25hp. No thanks.

For many boaters, the kind who aren’t in the automotive engine size class, we may be being forced into a four stroke world, but it is not going to be without significant sacrifice. Thanks to places like this, and the knowledge here, blokes like me can keep boating without the sacrifice. Deeply grateful.

-Peter

[David]

Beta was better than VHS but it didn't matter in the market then, and surely doesn't matter now.