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Go Back   DCSportbikes.net > Brand Specific > Yamaha

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  (#1)
GP Racer
 
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November 20, 2003, 07:02 PM

I just wet my pants! :o



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  (#2)
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November 20, 2003, 07:04 PM

That would make a great endurance bike don't you think?
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  (#3)
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November 20, 2003, 07:07 PM

I wonder what that Graves R1 makes in race trim - 190?

Dave - that avatar pic of you is awsome BTW - its cranked over!
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November 20, 2003, 07:13 PM

That's just their Superstock version. Notice the OEM forks and brakes. It's probably around 160-165hp though. I'm sure the Superbike will be putting out around 200hp. This past years Formula Extreme bikes were rumored to have 200+hp at the rear.


PAY UP LEE!

I've never had a lack of self confidence I wasn't sure I could overcome.
www.twodogsracing.net
WERA #521 CCS #521 '
03 R6 '00 R1 '02 R1 '04 R1 (coming February)
'02 GRC GP R1 Replica pocketbike (read monster)
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  (#5)
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November 20, 2003, 07:14 PM

Dear Santa....



...pleeeeeeeeeeeeeeeeeeeeeeease?!

[Edited on 21/11/2003 by speednuts]


PAY UP LEE!

I've never had a lack of self confidence I wasn't sure I could overcome.
www.twodogsracing.net
WERA #521 CCS #521 '
03 R6 '00 R1 '02 R1 '04 R1 (coming February)
'02 GRC GP R1 Replica pocketbike (read monster)
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  (#6)
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November 20, 2003, 07:15 PM

....why are my pants wet??? :o
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  (#7)
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November 20, 2003, 07:37 PM

One thing I just noticed is the spot welding on the frame - that means they are NOT using the casting process that the R6 uses - hmm. They made note of that in a magazine preview but the author excused it because it was a pre-production frame.

Why is Yamaha holding that back for the R1? It would probably save 10-15lbs!
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November 20, 2003, 07:48 PM

I see a weld, but don't really understand how it's different than the R6:



[Edited on 11/21/2003 by rddy]
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November 20, 2003, 08:01 PM

So what is going to happen this year? I don't yet really understand all the classes, and I know there were some rule changes this year, but who will be competitive in superstock this year?
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  (#10)
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November 20, 2003, 08:04 PM

I have no idea about these photos - mass prod or limited.
You really think 10-15 pounds for the weld? I would think more like 5-8..and if even if this is the "real" version....R6's probably out sell the R1 by 100% or more....bet they are just moding the R6 frame to accomodate the R1 engine.

Those frame molds ain't cheap.
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  (#11)
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November 20, 2003, 08:19 PM

thats a sweet looking bike. cant wait to see it on the track next year.


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November 20, 2003, 08:38 PM

Looks like maybe they wanted extra strength. Here is what I found on the yamaha web site. It's part plate and part cast aluminum welded together:

Quote:
Chassis

1) New Deltabox V (Victory) frame with 2.5 times greater rigidity
The new YZF-R1 adopts a newly designed frame we call the Deltabox V (Victory). Incorporating design aspects of the frame of our YZR-M1 and 3D CAD analysis, this new frame has been given a high level of rigidity to make it fully viable for circuit riding and stock class racing. With this aim in mind, the main frame was designed narrow in the lateral direction and the head pipe and pivot connected more directly in a straight line.
For the outside portions of the main frame high-elasticity panel stock has been used, while high-strength cast parts are used for the inside and the two welded together to create box sections for a highly reliable hollow-type frame structure. Also, the use of optimum types of aluminum stock in the various parts, like cast parts for the pivot assembly, and the right thickness of stock have contributed to the good overall rigidity balance. As a result, the rigidity values compared to the existing YZF-R1 have been increased 2.5 times for longitudinal rigidity and 1.3 times for lateral and torsion rigidity.

2) Optimized engine mounting position and weight distribution for excellent initial-stage steering characteristics
In order to achieve high-level steering performance, especially in the initial stage, the engine mounting position, front-rear weight balance and cylinder forward incline angle (angle increased from 35 to 40 degrees) have been optimized in relation to each other in terms of position and balance. Compared to the existing model the engine center of gravity has been lowered and moved toward the front wheel. This combines with the effect of optimized dimensions like a 5mm increase in the fork offset to 30mm to help achieve stable handling that lets the rider enjoy quicker response characteristics in initial-stage steering action.

3) High-performance front and rear suspensions and rear arm with upside-down truss configuration
In the front suspension, the upside-down fork with 43mm diameter tubes provides both excellent cushioning and quick handling characteristics. And, the rear liked-type suspension adopts an aluminum rear arm with an upside-down truss configuration to balance the positioning with the new up-muffler. This provides excellent rigidity balance and cushioning performance. Also, the rear suspension’s preload adjuster is now made of aluminum for added quality look. The rear frame is constructed of parts made by Yamaha’s CF aluminum die-cast method that boosts welding characteristics and aluminum sheet metal to create a box structure that gives greater rigidity while also contributing to a higher quality aluminum look to the exterior.
http://www.yamaha-motor.co.jp/news/2003-09-09/r1-e.html
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  (#13)
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November 20, 2003, 09:31 PM

that R1's rear brake rotor looks different. is that stock also? what do you call that? it's not slotted i think, it looks like slotted vented disc.

can anybody explain this spot welding vs. casting? thanks.
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  (#14)
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November 20, 2003, 10:15 PM

not a huge Yamy fan..but man that's a beaut of a bike.....I wonder how it compares to the 03 and older R1's....don't think I'll ever cross into the dark side..but may get one just for the taste of it...


Step 1- steering damper
Step 2- M-1s
After that...the rest should be obvious...


Sometimes in order to live, you must first be willing to die....
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  (#15)
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November 20, 2003, 10:26 PM

Quote:
don't think I'll ever cross into the dark side..but may get one just for the taste of it...
........ahhhhhh ...oh nevermind


PAY UP LEE!

I've never had a lack of self confidence I wasn't sure I could overcome.
www.twodogsracing.net
WERA #521 CCS #521 '
03 R6 '00 R1 '02 R1 '04 R1 (coming February)
'02 GRC GP R1 Replica pocketbike (read monster)
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