2005 Rumors

[YAMAHAVIPER]

YFZ 250 ,TRX650R,LTZ 450 2006,RAPTOR 660 EFI?

[Honda4trax250x]

Originally posted by YAMAHAVIPER
YFZ 250 ,TRX650R,LTZ 450 2006,RAPTOR 660 EFI?

intersting, where did u hear these?

[Atreyu]

All would be cool. I think it would be a great idea to put the 250 fourstroke dirtbike engines in an MX set-up quad.

[ranger400ex]

Black "......" 2stk....90-100HP?:eek:

[KASCHAK]

uh oh... were did you hear this?!

wifes old boyfriends cousins moms co-workers neibors friends dogs previous owners uncle on his fathers side?

do they come with exhaust bearings this year?!

how about transmission fuses?

how about oval pistons?

rotary motor?

liqud tac?


just busting yea.. lets not let this get out of control..

[FTR250Rnif]

Those would all be cool but I think they need to make a new 2stroke:devil:
other than a banshee

[Ralph]

Originally posted by KASCHAK
uh oh... were did you hear this?!

wifes old boyfriends cousins moms co-workers neibors friends dogs previous owners uncle on his fathers side?

do they come with exhaust bearings this year?!

how about transmission fuses?

how about oval pistons?

rotary motor?

liqud tac?


just busting yea.. lets not let this get out of control..

hate to break it to ya but oval pistons are as real as a piston can get

[310Rduner]

^ ^ Very right.

A quick google search:

The NR750 was Honda's opportunity to show what they can do, but its beautiful engineering was lost on the public. The engine technology, the complex exhaust routing, and touches like carbon fibre composite bodywork and a titanium-tinted screen were not what most observers thought of as the way forward. It was quite heavy, and definitely not intended as a race machine. And of course the ludicrous price (£38,000 in the UK, ¥5,000,000 in Japan) was enough to ensure it remained a curiousity.

Some features, such as the side-mounted radiators and aspects of the styling eventually into Honda's more modest road models, but the enormous expense of developing an oval-pistoned v-four motorcycle means such a design is unlikely to be sold at realistic prices. The conventional v-four engine is already complex and expensive to produce.

The PGM-FI fuel injection was state of the art in 1992, and used 7 sensors and a 16-bit CPU to control the eight injectors as well as controlling ignition timing. In addition it altered the position of an inlect duct in the airbox to regulate airflow. Over 200 were assembled, at a rate of 2 or 3 a day.

Since it couldn't be homologated for World Championship racing Honda decided the NR750 could be used to attempt some records. A lightened, tuned NR, making 150bhp @ 15,500rpm and weighinhg just 180kg was produced (compared to the standard bikes' 222kg). Diminutive GP rider Loris Capirossi set new flying mile, flying kilometre and standing start mile & 10km records, assuring its place in the record books.

Honda had tried the oval-piston concept before. The first motorcycle named NR750 was an endurance racer which appeared at Le Mans in 1987. It failed to finish, but was very fast with a wide powerband. It weighed just 145kg and made over 150bhp - in the days when superbikes were doing well to put out 135 horses. The fascinating development of Honda's v-fours in both race and road guises, including the oval-piston NR bikes, is discussed in detail in Julian Ryder's book "Honda's V-Force". Read the review.

There were only eight NR750s imported into the UK. Performance Bikes managed to scrounge a ride on the only bike that hadn't been crashed and repaired (there were two) or exported (the other five).
The engine ticks over with the same V-four rumble as an RC45, but open the NR up... different story. Four oval pistons deliver what the rider and then the throttle demands: a noise seeps from deep inside the bike like someone cutting a bass drum in half with a chainsaw.

Forget noise, riding it is even better. For starters, you'd swear you were sitting on a fat RVF400 - the NR is only 7mm taller. Riding position is racy without being cramped or uncomfortable. High pegs and low seat mean knees often bump elbows, but the reach to the bars holds a body in a near perfect riding position - you don't hold onto the NR, it holds you to leave the upper body totally free of tension. You can get this dream-like feeling, and can move to any position on the bike with no effort. It's sublime.
The only criticism was of the brakes, which required more effort than one would like. However,
this is the only imperfection the NR suffers from and it's only worth mentioning cos there's nothing else to fault.

[310Rduner]

Also, it looks like Ducati almost went with a twin cylinder 2 stroke oval piston motor for the 2003 Moto Gp season, instead they designed a double twin 2 stroke.

"For this reason, in the preliminary study phase, we considered a twin-cylinder oval piston engine to be an excellent layout for the new regulations. With the same weight as 4 and 5 cylinder engines, this layout combines the typical advantages of a twin in terms of power output and delivery, with the performance necessary to compete at the same level as the multi-cylinder units."

[UglyMotha™]

Originally posted by FTR250Rnif
Those would all be cool but I think they need to make a new 2stroke:devil:
other than a banshee



will never happen, two strokes area a dying breed

Rumer thats true!

Black 450r with silver frame.

[ranger400ex]

There is a new two stroke coming out...it is a one off quad with available crate motor. should be in the 90-100hp range, with focus on racers. and not from one of the big three. black and red scheme. Roll style frame (400ex/250r) geometry.

[xr50layke]

stock steering stabilizers!

[cdalejef]

Originally posted by ranger400ex
There is a new two stroke coming out...it is a one off quad with available crate motor. should be in the 90-100hp range, with focus on racers. and not from one of the big three. black and red scheme. Roll style frame (400ex/250r) geometry. :eek:

[ranger400ex]

jeff.....;)

[trick450r]

;) *wink**wink* bs noone would be stupid enough to make a quad that is focused on racers that is a two stroke...they are finished in racing!! :huh

[ranger400ex]

I guess you are right. I am just a village idiot. Apparently you know what I am talking about, and have proof that it is not going to happen.


2stk are dying around here(somewhat), but overseas and many race venues they are still top dogs.

[speedy400]

Theres no way they'd ever release a 90-100hp quad to the public, out of a stock atv motor. Us ATVers alreddy have enough problems with environment (o-zone and such) and atv crashes. Also, I dont see the point in a quad over say... 55hp unless all you do is intence, heavy farm work, or drag all the time. So, I must say, ranger400ex, no way;) ..not meening to get on anyone's nerves, just havin a little fun.-darren

[cdalejef]

I'm not sure about the HP numbers but there is a bike like that is being tested.

[ranger400ex]

yup

[Ralph]

i know kawasaki had a protype 2 stroke but i was told that chances are it wont ever make it out.

[cdalejef]

Originally posted by Ralph
i know kawasaki had a protype 2 stroke but i was told that chances are it wont ever make it out. Bill and William raced that bike for 3 years.

[ShiftFMX]

Here is 1 of 2 colors available for 2005:

http://www.atvsport.com/images/elements/827137_05_TRX450R_Blkbig.jpg

Go here (http://www.atvsport.com/output.cfm?id=827137) for the whole story and 2005 specs.

Annddd....400ex may be discontinued , heres wut ATVsport says,

"The new 2005 price list did not include the Sportrax 400EX. We have to wait until September to see if the aging 400EX will be discontinued or refurbished for 2005. Honda would not comment. 'As of now, I don't have information on that model. You'll have to wait until September,' Conway explained."

[ranger400ex]

Plans are for it to be 2stk powered (rotax) @100hp at or under 300lbs. Race built...not a trail quad.

[Bobbs07]

Originally posted by speedy400
Theres no way they'd ever release a 90-100hp quad to the public, out of a stock atv motor. Us ATVers alreddy have enough problems with environment (o-zone and such) and atv crashes. Also, I dont see the point in a quad over say... 55hp unless all you do is intence, heavy farm work, or drag all the time. So, I must say, ranger400ex, no way;) ..not meening to get on anyone's nerves, just havin a little fun.-darren


i would love to have a quad over 55hp. I know my limits, i just dont know where they are right now:D :devil:

[Silverfox@C&DRacing]

I heard that the VOR quad was comming back. and I also heard this weekend from a Honda dealer that the 400ex was going to have reverse, remember this is hearsay.

[cdalejef]

Originally posted by Silverfox@C&DRacing
I heard that the VOR quad was comming back. and I also heard this weekend from a Honda dealer that the 400ex was going to have reverse, remember this is hearsay. Were gonna quote you on that Dusty! :devil:

[TC426EX]

ITS NO BIG SECRET GUYS.... In the new ATV action, ATK has announced that it is building a 700cc ( thats right) 2 stroke killer!!!! They are not one of the big four, so they are not governed by the 'no new 2 strokes after 2005" agreement the big guys are. Also, as jeff can tell you, ATK and Dinli BOTH will be building cannondale based quads, but the ATK looks way better and closer to the original. They are gonna come with a choice of Elka or Ohlins shocks (gee, thats a hard one, LOL), and a buffet menu of options to build your bike for you on an individual basis. They mentioned something about the rear shock on the new ATK is ZPS (or SSD, whatever), and the fronts werent. Everything I was ever told said that having one ZPS in the front or rear without the other will MAJORLY screw up the handling and jumping characteristics, so I hope that isnt the fact on all of them... Thats about all I know, but then again Im not the FACTORY ATK guy on the site.........

[Silverfox@C&DRacing]

Originally posted by Jeff@QuadShop
Were gonna quote you on that Dusty! :devil:


:cuss: