1º Test-Drive à Kawasaki ZX-10R 2011

por s|n em Qua 24 Nov 2010, 09:32

Versão original em: http://www.motorcycle-usa.com/157/8505/Motorcycle-Article/2011-Kawasaki-Ninja-ZX-10R-First-Ride.aspx?WT.i_e_dcsvid=113315582

It’s hard to imagine that nearly three decades have passed since the first Kawasaki Ninja sportbike was unleashed on the motorcycling public (1983 GPZ900R). That motorcycle helped usher in the generation of sportbikes we enjoy today. Now Team Green is at it again, evolving the technical aspects of high-performance motorcycles with the release of its 2011 Kawasaki Ninja ZX-10R. With the introduction of this Superbike, Kawi engineers have integrated a number of technologies that make it easier to ride than ever before. For the full technical briefing make sure to check out our 2011 Kawasaki Ninja ZX-10R First Look article. In this review we’ll focus on our riding impression and how it performs at the racetrack.

ELECTRONICS

Never in a million years did I think there would come a day that I’d say this, but, without question the most exciting feature of the new ZX-10R has nothing to do with the engine, chassis or anything else mechanical. It all comes down to a tiny black box and two sensors attached to each wheel.
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2011 Kawasaki Ninja ZX-10R Tech Review Video
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Get the full details of all the new tech added to Kawasaki's latest ninja sport bike in our 2011 Kawasaki Ninja ZX-10R Tech Review Video.
These are the primary components that make up the Sport-Kawasaki Traction Control (S-KTRC).

The system is the most advanced traction control system we’ve ever used on a production motorcycle. It is designed to allow riders to get closer to the “limit” of the motorcycle’s performance by optimizing rear wheel spin and engine acceleration. Part of the reason the system works so well is because it is adaptive to riding conditions. Unlike other systems there are no pre-determined engine fuel or ignition maps. The system is constantly making calculations based on throttle position, engine acceleration, gear position (load force) and front and rear wheel speeds. This allows it to “predict” what might happen and adjust the engine’s ignition curve in real-time.

Four different modes are available based on rider preference or road conditions. Level 1 is designed for track use with racing tires. Level 2 is for general sport riding on
The Kawasakis digital instrument panel offers a number of features and is now one of the best set-ups on the market.
The Ninja ZX-10R employs wheelie control that lets you to keep the throttle pinned to the stop when power wheelie out of a corner.
Stability at all speeds is a strong point of the new 10R.
The Ninja ZX-10R utilizes wheel speed sensors on each wheel to feed information to the traction control and engine management systems.
(Above) The Kawasaki’s digital instrument panel offers a number of features and is now one of the best set-ups on the market. (Center) The Ninja ZX-10R employs wheelie control that lets you to keep the throttle pinned to the stop when you power wheelie out of a corner. (Below) The Ninja ZX-10R utilizes wheel speed sensors on each wheel to feed information to the traction control and engine management systems.
either the street or racetrack, while Level 3 is for use in the wet or on slippery road surfaces. The system can also be disabled completely.

Each mode is selected by holding down a toggle button on the left clip-on for approximately one second. This can be done on the fly as long as the throttle is closed. The selected mode is then displayed on the LCD cockpit display. Furthermore the chosen mode selection is stored when the bike is turned off and on again.

Considering we’d never turned a wheel at Georgia’s Road Atlanta not to mention the chilly asphalt temperature, we began the test by riding the bike in Level 2 mode. With its sheer number of blind turns and rises Road Atlanta is a very tricky circuit to learn. Still within just a handful of laps it became immediately clear the benefits of the S-KTRC.

There are a number of dips and rises on the track where the bike will power wheelie in second, third and even fourth gear. The TC incorporates a wheelie control functionality that allows you to literally keep the throttle pinned as the front wheel lifts off the ground during a power wheelie. To my surprise, it actually took considerable seat time to get used to this feature as my brain is hard-wired to either: lift off the throttle, dab the rear brake, or tap the clutch lever to get the front wheel back on the pavement. But if you can turn-off your brain and put 100% faith in the electronics it’s simply incredible how well it works with it completely mitigating the chance of the bike looping out and instead putting the front wheel down in a smooth and very natural feeling manner. However, we did notice the system felt herky-jerky in Level 3 as the bike would wheelie then set down and repeat.

After I had put certain segments of the track together I started to get greedy with the throttle when standing the bike up off corners. The rear tire would still spin slightly but it would do so in such a way that you could feel the bike trying to maximize every bit of forward drive. It felt like it would spin, grip, spin, grip as opposed to just spinning excessively when we attempted the same maneuvers with S-KTRC disabled.

But the craziest thing is just how unobtrusive the system is, especially in Level 1. It works its magic so inconspicuously that it’s difficult to tell that it’s even working (there is a segmented bar graph-style TC activation meter on the dash that displays how active it is working but you need to take your eyes off the road to view it). As opposed to other TC systems employed on say the BMW and Ducati, the Kawi’s set-up is far less intrusive when activated and it doesn’t feel like it's restricting acceleration as much.

So will the TC system make the bike totally crash-proof? Not exactly. To test, I dialed in heavy throttle while transitioning from the edge to shoulder portion of the rear Bridgestone BT-003 race tire (learn more about this tire in the Bridgestone Battlax BT003 Tire Comparison) and one time the bike rear end snapped sideways and I popped out of the seat. The only thing that prevented me from crashing was basically luck.

If it doesn’t keep you from crashing what is it good for then? Think of it this way: The TC system takes off the “edge” of aggressive throttle input. It helps smoothen out the load you place on the rear tire during acceleration which in turn reduces wheel spin and maximizes acceleration off a corner. If you’re skilled enough you can certainly accomplish the same goal with your right wrist (Mat Mladin-style) but you’ll never be as consistent as the machine. Hands down this is the best feature of the new 10R and worth every penny of its $13,799 base MSRP.

ENGINE

The new Ninja ZX-10R uses a longer swingarm that stretches wheelbase to 56.1 inches.
The traction control system employed on the new 10R is the best system weve ever tested on a production motorcycle.
The new Ninja ZX-10R is a very easy motorcycle to ride around the racetrack.
Although the basic architecture of the engine, including its Inline-Four configuration, firing order and bore and stroke measurements are identical to the previous model year, many of the internal parts have been reworked. For more technical details refer to the 2011 Kawasaki Ninja ZX-10R First Look.

The previous generation Ninja certainly didn’t lack any top end engine performance with it pumping out in excess of 160 horsepower at the rear tire (see the 2010 Kawasaki ZX-10R Comparison Track article). Although Kawasaki claims maximum power output to have increased it felt comparable to the 2008-2010 Ninja. Kawasaki did note that in stock form the U.S. spec ZX-10Rs are fairly restricted. To prove this they had a “Power Up” bike with a racing exhaust and different ECU and it did feel considerably faster and comparable to BMW’s S1000RR rocket ship. What did feel different however is the way in which the engine generates thrust.

The top-end power hit of yesteryear is gone and the powerband feels flatter than before (good thing). Throttle response continues to be excellent and the engine is very usable and friendly to manipulate at all rpm. We did notice however that it doesn’t pull with the same voracity as you close in on redline with power flattening up slightly. But we did appreciate the soft manner in which the engine hits the rev limiter which felt almost identical to the Z1000 (see the 2010 Kawasaki Z1000 First Ride). The exhaust note continues to be very quiet but there is still a fair amount of air intake howl, much to our pleasure.

The 10R now incorporates an engine power mode selection system similar to Suzuki’s GSX-R line of sportbikes. Three power modes are available ranging from “F” (full power mode), “M” (variable middle power—allows 75% of max power with a less aggressive power curve. Furthermore full power can still be accessed based on the throttle angle rate of change) and “L” (low power—60% of maximum with an even milder power curve). Similar to the S-KTRC system the power mode can be adjusted on the fly (as long as the throttle is closed) by pressing up on the left-hand clip-on toggle button for approximately one second. The selected mode is then displayed right above the S-KTRC setting on the instrument panel with the setting being retained when the bike is restarted.

CHASSIS

Without having ridden both bikes back-to-back it was difficult to tell if the new 10R is any more agile than the old one. Turn-in did feel more predicable then we remembered however.
The ZX-10R employs a new horizontally-mounted Showa gas-charged shock absorber.
The cockpit layout and riding ergonomics are a big improvement over last years bike.
(Above) Without having ridden both bikes back-to-back it was difficult to tell if the new 10R is any more agile than the old one. Turn-in did feel more predictable then we remembered however. (Center) The ZX-10R employs a new horizontally-mounted Showa gas-charged shock absorber. (Below) The cockpit layout and riding ergonomics are a big improvement over last year’s bike.
One of the biggest complaints we had with the old bike was how top-heavy it felt. The new Ninja has shed 22 pounds of mass with it now weighing in at 437 pounds with a full 4.5-gallon fuel load. Even better though is how much better its center of gravity feels.

Without riding the bikes back-to-back it was difficult to discern if the new Ninja steers any easier than the old one. Still we wouldn’t exactly term it as “flickable” but it did seem to steer more predictably than before which felt like it could be attributed to its improved mass centralization more than anything. We did notice how much more stable the bike is at high speeds with it headshaking far less than we’ve experience in the past.

We were generally pleased with the performance of last year’s fork and the new Showa BPF continues to provide excellent performance. It does a terrific job of controlling chassis pitch during hard braking, which we experienced entering Road Atlanta’s Turn 10 where you slow down from an indicated speed of 186 mph down to second gear.

Speaking of braking the Ninja continues to offer a very powerful braking set-up. Outright stopping force is incredible and the brakes didn’t fade at all at our pace. Initial bite is rather low which helps make the brakes easier to use for a novice rider but gradually ramps up as lever force is increased. Additionally the Ninja now offers an anti-lock braking system available as a $1000 option. The system only adds six pounds to the weight of the motorcycle; however it cannot be disabled like say the system employed on the BMW S1000RR. The bikes we rode were not outfitted with the system so look for a review in the future.

Even more impressive than the fork perhaps was the new horizontally-mounted Showa shock absorber. Overall the rear end of the bike seemed to squat less during hard acceleration and there was a high-level of feel during cornering. When you combine that along with the fantastic grip from the Bridgestone BT-003 race tire and phenomenal performance of the traction control system, the package facilitates strong drives off corners. Damping force also remained consistent throughout our 20-minute riding sessions.

ERGONOMICS

Next to the performance of the traction control system the revised cockpit and riding ergonomics is another area where the new 10R shines. Part of the reason why it feels much less top heavy than before is the 0.7 inch reduction in seat height. The profile of the fuel tank is also vastly improved with it feeling much more compact than before. We also liked
The new Ninja ZX-10R is a very easy motorcycle to ride around the racetrack.
The traction control system employed on the new 10R is the best system we’ve ever tested on a production motorcycle.
the way it was shaped which allowed us to grip it better during hard braking. The clip-ons also seemed to have a more logical bend that should prove to be more accommodating on the street as well. The position of the footpegs is now adjustable, which is another big plus for both street and track riders. Generally the cockpit was well proportioned and wasn’t at all cramped for my above average six-foot-tall frame.

FINAL THOUGHTS

Although we weren’t blown away by the added performance of the engine or chassis as compared to last year’s bike the electronics package on the new 10R is out of this world. Not only does it make the bike easier and safer to ride it allows you to better explore the astronomically high-performance that a modern day Superbike serves up. And to think that you can get a taste of a similar type of traction control and engine management technology that MotoGP bikes were using just a few years ago for a list price of $13,799 is absolutely mind boggling. Kudos to Kawasaki for continuing to evolve the realm of sportbikes with its easy-to-use and gimmick-free traction control system.
2011 Kawasaki Ninja ZX-10R Photos
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2011 Kawasaki Ninja ZX-10R Specs
Engine: Liquid-cooled 998cc Inline-Four, 16-valves
Bore and Stroke: 76.0 x 55.0mm
Compression Ratio: 13.0:1
Fuel Delivery: Fuel-injection
Clutch: Wet multi-plate slipper clutch; Cable actuation Transmission: Six-speed
Final Drive: Chain 17F/39R
Frame: Twin-spar aluminum
Front Suspension: 43mm inverted Showa BPF; 3-way adjustable for spring preload, compression and rebound damping; 4.7 in. travel
Rear Suspension: Horizontal back-link Showa gas-charged shock; 4-way adjustable for spring preload, high/low-speed compression and rebound damping; 4.9 in. travel
Front Brakes: 310mm petal discs with radial-mount Tokico four-piston calipers
Rear Brake: 220mm disc with single-piston caliper
Tires: Bridgestone BT-016; 120/70R17, 190/55R17
Curb Weight: 437 lbs.
Wheelbase: 56.1 in.
Seat Height: 32.0 in.
Fuel Capacity: 4.5 gallon
MSRP: $13,799; ABS-equipped model $14,799
Colors: Lime Green; Ebony
Warranty: 12-month, unlimted mileage
2011 Kawasaki Ninja ZX-10R First Look
Kawasaki promises faster, lighter, better with its new 2011 Ninja ZX-10R. A complete ground-up redesign, the latest Ninja Superbike features an all-new engine and chassis, including the use of the Showa Big Piston Fork and an all-new rear linkage assembly. Retailing for $13,799, this latest Ninja also features stock traction control, as well as an optional ABS version ($14,799). Oh, did we mention it’s 22 pounds lighter?

Read the full review in the 2011 Kawasaki NInja ZX-10R First Look
2011 Kawasaki ZX-10R Highs & Lows
Highs

* Phenomenal gimmick-free traction control
* Easy-to-ride; looks awesome
* Excellent ergonomics; great chassis balance

Lows

* Could have more engine power
* Flat top-end power

Adam's 2011 ZX-10R First Ride Gear
Wheelie control makes the Ninja ZX-10R that much easier to ride at the racetrack.

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