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You seem to be hung up on displacement, that is not the only way to measure engines. How about HP/ per pound of fuel per hour? How about Brake Mean Exerted Pressure (BMEP)? The four stroke will win those categories most of the time.



This is engineering, not religion. Unless somebody can fix the noise and air pollution problems (many have tried, many have held news conferences, many have failed) the two stroke is going away. Get over it, worry about the important stuff.
 

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Now that 500 GP racing is perfect I guess we should lock every thing up and never change, won't that be fun.



Don't you think that racing engines that have less and less to do with the real world will be as bad as anything Honda could do? Two strokes are going away everywhere but the third world. If the rules allow the biggest spender to dominate they will be changed. One way or an other they will be racing 4-strokes, get used to it.



Even if Honda out spends everybody it will take a few seasons to work out the new bikes. If Honda follows their regular pattern it will be fun to watch bikes with less HP beat them while they sort the chassies.



Whatever happens I doubt GP racing could be any more dull than it was while Dohan was totally dominant.
 

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Re: Four strokes=GOOD

No doubt a V-5 CBR would be neato, but I'd prefer a direct-injected 2-stroke sportbike. Ever ridden a modern MX bike? The 4-strokes may be winning MX races now, but 2-strokes are way more fun to ride! To me the V5 is just too complex for a streetbike.
 

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well, let me go look at the stats for the bike......



BTW, the company is Marine Turbine Technologies.



The bike:



460lbs

320 hp at 52, 000 rpm

425 ft lbs of torque at 2,000 rpm

top speed 250mph

Quarter mile in 9.8 seconds @ 160 mph

0-200 in 15 seconds



HEY IDIOT, why dont you read up before you say anything. Too bad its going over 160 when you say it should be doing 60!!!!!!!!!!!!





And concerning the Honda GP bike, i think the rules say that the motor cannot use existing street parts, and this, i think, is so that WSBK cant complain about competition. Also,, 230 is just the peak hp estimates, i SERIOUSLY DOUBT that they will tune it to that, it will probably be detuned to 190-200 hp for longevity and mileage purposes.



BTW, if the engine does use pneumatic or electric valves, then the computers can vary the valve movement and timing infinitely, possibly giving peak hp for the straights, and peak torque for drive out of the corners. In other words they may be able to make the bike a better all round package



 

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you never know. I know most sportbikers would like to live in denial, but Harley was the powerhouse in 250 cc GP racing in the 60's.



I think very soon that harley is going to have a fire lit under its feet to start winning races in big leagues. I even think harley will swallow some pride and get foreign engineers and subcontract parts from other manufacturers, with only chassis and motor having a harley badge.
 

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News Flash: AMA Unlimited USA-GP Series Announced

By Gabe Ets-Hokin

Pickerington, Ohio- AMA racing officials here today announced a new racing series designed to attract more Harley Davidson fans to GP racing.

Designated "Unlimited USGP", the series will allow any displacement engine, as long as it makes no more power than a stock wide-glide.

"We thought it'd be cool to have some racin' that the fuggin' Japs couldn't, like, win and stuff." said Clem Shepardson, interim director for H-D racing special projects while his brother Jeb is serving six months for parole violation. "Maybe our hogs ain't much in the turns, but maybe it's time racers found out about enjoyin' life, you know, kickin' back. It ain't all about speed, ya know. Anyway, I got the AMA to add the series when I threatened to sue them for using the word "motorcycle", which, apparently, our legal department owns."

When asked if this race series would be yet another example of how Harley Davidson uses it's power in the marketplace to monopolize racing with predictable, uninteresting dog and pony shows, Shepardson responded, "maybe you want your ass kicked, huh, ya little friggin' ******?"

Already, racing teams have responded with exciting designs. Centerville Harley-Davidson is fielding an almost stock machine, save for the addition of bicycle cards in the spoked front wheels and the factory H-D race kit, which consists of number plates and carbon-fiber conchos. "We already got a guy to ride it. Ed from parts says he can make it for the second half of the first race, as long as we can trailer it the first half. He says motorcycles aggravate his shingles. Nobody else here really knows how to ride motorcycles, since we never have actually seen one on the sales floor, so Ed's our only hope, since Miguel Duhamel won't return our calls and Scott Russell said he could never get drunk enough to race a Harley again."

Racing fans are similarly thrilled. Mark Jones, of Spokane washington said he was "thrilled" at the prospect of a new series, untill he realized that it wasn't NASCAR.

"They race motorcycles? Isn't that dangerous? Why would anybody want to watch that?"

The AMA racing department was closed for Australia Day, and could not be reached for comment.
 

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Honda = Volvo

Cripes, just when bikes were getting simple again, along comes this. 5 cylinders? Is this some kind of a joint venture with Volvo? It's the typical Honda effort, cold, calculated, sexless. Will it win? Sure, but it won't be fun watching.

Why not just outlaw two strokes and make WSB the grand prix class? It makes way more sense. Is anyone besides Yamaha working on a four-stroke design? So we'll have another series where it's all Honda, Honda, Honda, all the time.

This four-stroke grand prix thing is going to suck. I sure hope Haga wins the title before the switch occurs.
 

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Re: It would be easier to...

Funny how when a manufacturer takes the easy route and builds a bunch of inline 4's that have no aspect of creativity to them (Kawi, Suzi) we label them as copycats, but when one of them pursues new ideas we accuse them of having ADD . . . I think it's the buying public that has ADD, how else can you explain the yearly crop of new and wonderful "radioactive bird crap" paint jobs on so many bikes. Personally, if it works, I'll ride it. Meanwhile, I applaud Honda for having the "cojones" to develop (and spend untold yen) on new ideas that may or may not work.
 

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mr. brain giant:

that 250 in the 60's you spoke of was an italian Aermachi (i'm sure i mispelled the name), w/ harley davidson logo on it. if harley makes 1340 cc motors that manage to push 60 hp, how many donkey-power do you think a harley 250cc would push? probably it could not turn the drum on a dyno.

wake up & smell the burning oil, bud.
 
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