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Would the potential for upgrading the R1 be unlimited? Vast debate which will be arbitrated this year by a new major evolution of Yamaha’s hypersport. Change ? Plenty, although the line does not seem to suggest as much. For 2007, R1 evolution or new R1 ?
Judging briefly by the line, we’d be tempted to say evolution. The thousand times praised and admired design of the R1 is finally retouched, something that Yamaha had not dared to do in 2006 as the 2004 design was such a success. Such beauty that this stylistic path remains for this new opus; but with increased aggressiveness. The forced air intakes move closer to the underside of the headlights while the sides of the rear shell are cropped to give more room to the exhausts. Inspired by the last R6 offensive, the fairing sides adopt a new design directly derived from the 600 pistarde. The shoulders lose their fluidity, as does the entire line so homogeneous before. The new R1 is beautiful, seductive, intimidating, almost voracious, but its sensual design has become a little less suave, less fine, more manly.
Dressing up is only a small part of what has changed. And there, by dissecting this fifth generation of R1, we will realize that it is no longer a weapon for the track but artillery for the competition. Climbing takes another step forward with this NEW R1.
This year, Yam is adding a new ingredient to the cocktail: YCC-I. A new process on a Japanese to lead to the following recipe: more power, more availability and more engine pleasure. YCC-I, it stands for Yamaha Chip Controlled Intake. More specifically, it is a motorized and electronically controlled variable air intake system. So how does it work !
The 4 admission cones are each made up of two parts. The upper cones are not fixed and can vary in height because they are controlled by a servomotor. The length of the cones can thus vary from 65 to 140 mm. This system is quite similar to that used by MV-Agusta for its F4 1000 Tamburini and Veltro.
The advantage: during the intake phase of an engine, the downward movement of the piston creates a vacuum at the intake, which generates a difference in air pressure compared to its natural inertia . This pressure difference causes a reverse reaction in the direction of the intake valve. This phenomenon of ‘inertial loading’ increases the volumetric efficiency of the motor. A shorter intake manifold produces a shorter pressure wave, which optimizes volumetric efficiency. Longer tubing slows down the pressure wave. By varying the length of the tubing according to speed, performance can be improved over the entire speed range..
Thus, at low revs, the mill uses the 140 mm intake manifolds, which optimizes torque and improves responsiveness to acceleration. When the pilot puts on the gas and increases the engine speed and throttle opening, on a circuit for example, the length of the pipes is instantly reduced to 65 mm, which allows the engine to display its full potential..
One year after the R6, the new R1 adopts the YCC-T This technology analyzes various parameters relating to the way the pilot of the R1 handles the throttle. The electronic box then adapts the opening of the throttle valve thanks to a motor to guarantee optimal efficiency..
Another small revolution: the cylinder head. For 20 years, Yamaha fitted in its hypersports 5 valves per cylinder. It’s finish ! Return to conventional and a 16-valve cylinder head. The engine itself, although using the same dimensions as the 2006 boiler, has really evolved: new completely redesigned cylinder head, new combustion chambers, compression ratio pushed to 12.7: 1, titanium intake valves, and to avoid sweeping the track during heavy decelerations, the clutch now has a torque limiter, like that of the R1 SP.
So much technology! It takes some to make this R1 the new scarecrow in the category and to master the 189 horses of this new motorcycle. Exceptional power obtained thanks to the forced air intake (180 static) and the incredible work of the engine manufacturers.
New engine, crazy power -> new chassis. Similar to 2006, it differs however on many points: engine supports, central axis and swingarm axis reinforced; constitution by die-cast aluminum, high resistance aluminum and aluminum panel in the internal structure; it is at the same time extremely rigid while being endowed with a certain dynamic flexibility. More rigid by 30%, the new swingarm looks like a real competition part. Must say that he will have a hell of a dose of canassons to digest.
the rear suspension is optimized, the front has a new fork terminated by radial calipers with… 6 pistons. A first on a production machine. The discs lose 10 mm in diameter. We can’t wait to taste this new braking.
New surprise, even more surprising: the weight. Like the 2007 GSX-R 1000, the R1 didn’t get thinner but got bigger. She has gained 4 kg since last year – she is back to her girlish line, weighing the same weight as when she came out in 98. Except since then she has gained 41 horsepower and a Superbike chassis..
Finally, note the evolution of the dashboard. Revised meter graphics (superb), hexagonal shiftlight and subtle retouching.
NOTnew restrictive pollution standards, new 16-valve cylinder head, intrusive electronics … the new motorization of the R1 was expected at the turn on the circuit, with an imperative need to demonstrate its potential, without detour or hesitation. A test in itself that the YZF 1000 faces with provoking aplomb for the competition. Eternally compared to the GSX-R 1000, the Yamaha bowed in mid-revs by its lower striking force. This time, the deal is likely to be very different, because the R1 has become damn busy in the middle of the tachometer. When I say good, I’m not just talking about its strength, but also about the way it is delivered. The power takes full advantage of the long intake horns managed by the YCC-I, and its driving capacity is superbly managed by the YCC-T (throttle control). Thus, the thrust arrives with vigor, flexibility and progressiveness. A reassuring “softness” when the horses tumble, smoothing the arrival of power to make the most of the exits from curves. The sensations lose a little but the efficiency is increased tenfold: less afterthought when accelerating and the risk of dropping out. Open! Silicone chips handle. As always on hypersport Yam, attacking high speeds, it pushes hard, very hard !
S
Surprisingly easy for a motorcycle of this size, the 2007 R1 does not just inflate its power curves. She makes fun of her pounds taken in her development, completely masking them with a remarkable balance and immediate confidence. The chassis reacts impeccably, the front axle transmits you very good sensations and a feeling of jubilant confidence. This 1000 encourages people to push themselves to their limits; “se”, because the limits of the machine are difficult to reach. An authority that can also be found in braking: the new 6-piston calipers dominate the debates, revealing an impression of power to unattainable limits. Associated with a very good feeling (thank you very much radial), the brakes of the R1 2007 fly over the references.
Will the pilot of such a machine easily accept that his right hand and his ardor are controlled by microprocessors? The benefit on time will calm his ego. Hopefully, because cohabitation will become essential with such beasts of power..
Undoubtedly more full on all floors than the previous version, the new YZF-R1 is a monster of technology and power. A real competition beast with a high adrenaline content. The benefit of such a riot of innovations is of very limited interest on the road, where its performance is in any case unusable. But on the track, its efficiency will be increased tenfold – it will heat up severely between the vibrators. The match against the GSX-R 1000 should overwrite all existing benchmarks.
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Replaces
YZF-R1 1000 2006
Model marketed in
2007
2008
Performances
-
Max speed:
about 300 km / h
The technical aspect
Yamaha YZF-R1 1000 2007
- Frame
- Frame: deltabox V double aluminum beam
- Tank: 18 liters
- Seat height: 835 mm
- Length: 2,060 mm
- Width: 720 mm
- Height: 1110 mm
- Wheelbase: 1,415 mm
- Dry weight: 177 kg
- Train before
- Telehydraulic inverted fork Ø 43 mm, deb: 120 mm
- Brake 2 discs Ø 310 mm, 6 piston calipers radial fixing
- Front wheel:
120/70
– 17
- Transmission
- 6 speed gearbox
- Secondary chain transmission
- Rear axle
- Monoshock rear suspension, deb: 130 mm
- 1 disc brake Ø 220 mm, 2 piston caliper
- Rear wheel:
190/50
– 17
- Motor
- 4 Cylinders
in line
, 4 stroke - Cooling: Liquid cooling
- Injection
- Double ACT
- 4 valves per cylinder
-
998 cc
(77 * 53.6 mm) -
180
ch
at 12,500 rpm - 189 hp with forced air
-
11 mkg
at 10,500 rpm - 12.1 mkg with forced air
- Weight ratio /
power
: 0.98
kg / hp - Compression: 12.7: 1
- Crit’air:
Detached pieces
exhaust
motor
fluid
electricity
filtration
braking
chain kit
Competitors
2008 Honda CBR 1000 RR Fireblade
Suzuki GSX-R 1000 2007
Kawasaki ZX-10R 1000 2008
MV-Agusta F4 1000 R 312 2007
Ducati 1098 R 2008
Gallery
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