For 2011, the 848 features N "EVO" treatment to its popular Testastretta engine
and chassis. This powerful L-Twin engine is up 6 horspower to 140 and has 72.3
lb-ft torque, and is installed in the light 168 kg chassis, one that's been
proven itself over and over on the 848 since its introduction in 2008.
The bike contains the usual features that makes thousands of motorcyclist
eagerly seek Ducati's famed Superbike: twin under-seat silencers, single-sided
swingarm, Trellis frame, race bodywork and steering damper.
The 2011 848EVO maintains the traditional colour of Ducati red with red frame
and black wheels and introduces the new "dark stealth" with racing black frame
and black wheels.
Ducati 848EVO Features
The 848 Testastretta Evoluzione engine:
The new 848EVO is powered by a liquid cooled, L-Twin, Desmodromic engine
that produces 140hp (103kW) @ 10,500rpm and a high-accelerating 72.3lb-ft
(10kgm) of torque @ 9,750rpm.
The 94mm x 61.2mm bore and stroke breathes through 4 valves per cylinder
fed by totally revised inlet port shapes and racing-style elliptical throttle
bodies, which are now increased in size from an equivalent diameter of 56mm to
60mm.
A brand new piston crown and combustion chamber shape improve burn
efficiency and increase the compression ratio from 12:1 to a power-enhancing
13.2:1 while new performance-driven camshafts provide 13mm of valve-lift
compared with 11.5mm and an inlet duration increase from 253° to 257°.
These incredible valve performances are made possible because of Ducati's
unique Desmodromic system, where valve closure is activated mechanically. At
high rpm it would be almost impossible for the valve to follow the steep closure
profile of the cam lobe if it were relying upon a normal valve spring. With the
Desmo system, the valve is closed mechanically with the same accuracy as it is
opened, enabling steep cam profiles and radical cam timings. This system is used
on every single Ducati motorcycle including their world-beating Superbike and
Desmosedici MotoGP bikes.
Electronically injected and ignited by Marelli, the super-efficient power
unit then exhausts through a lightweight 2-1-2 system equipped with a catalytic
converter and up-rated to twin lambda probes for smooth mapping and Euro3
conformity. Terminating in Ducati's trademark twin under-seat silencers, the
system delivers that unmistakable signature sound of the Desmo 90° L-Twin.
The highly advanced 848 engine was the first Ducati Superbike to introduce
vacuum die-cast crankcases, formed using Vacural® technology, a process that
achieves a significant weight saving and ensures consistent wall thickness and
increased strength. For 2011 this impressively lightweight engine has its
outer-cases finished in black.
The 848EVO engine is a fitting reward to Ducati's ingenuity and a clear
result of the continual attention to detail and development of their
twin-cylinder technology.
Having more experience and success with twin-cylinder high performance
engines than any other manufacturer, the L-Twin configuration remains central to
Ducati's philosophy of motorcycling. This experience, plus constant investment
in quality by design, advanced materials and engineering techniques, has enabled
12,000km (7,500 miles) between service intervals, making Ducati ownership easy
and enjoyable.
Lightweight chassis construction:
The 848 chassis and suspension are the result of a 'performance-first'
priority approach to development, in which the goals are always to achieve
lightweight with high strength and rigidity to manage the high-powered
Testastretta Evoluzione engines.
Trellis frame:
Developed in cooperation with Ducati Corse, the lightweight Trellis frame
features 34mm main section tubes with a material thickness of 1.5mm. The result
is an incredibly rigid construction that remains one of Ducati's lightest frame
solutions ever.
Magnesium subframe:
Producing a front subframe in magnesium underlines the attention to
weight-saving detail in the Ducati Superbike range. Its construction provides
secure support for the headlamp, instruments and fairing, and the weight-saving
around this high, forward position contributes considerably to overall 'feel'
and control of the machine.
Single-sided swingarm:
The dual construction technique used for the single-sided swingarm allows
the main operational components to use individual aluminium castings so as to
ensure strength around the pivot points, wheel hub and suspension links, while
lightweight, fabricated aluminium sections are used to complete the construction
into a single, beautifully engineered component. The 848EVO swingarm is then
presented in a sophisticated black-anodised finish.
Wheels:
The lightweight front wheels used on all Ducati Superbike models
substantially reduces the moment of inertia, enabling a faster change of
direction and enhanced acceleration and braking performances. The 848EVO is
equipped with Y-shaped, 5-spoke wheels by Enkei finished in black and mounted
with Pirelli Diablo Supercorsa SP 120/70 ZR17 front and 180/55 ZR17 rear tires.
Suspension:
The 848EVO features fully adjustable 43mm Showa forks with radial brake
calliper mountings, which provide superior road holding and precise feedback. A
control-enhancing steering damper maintains perfect front-end stability,
inspiring supreme control and confidence alongside the increased power output.
The lightweight Trellis frame and single-sided swingarm enable a compact
and weight-saving rear suspension linkage system, which features separate lower
pick-up points for the push-rod and fully adjustable Showa single shock
suspension unit. This 'tandem' design effectively reduces stress around the
linkage pick-up area of the Trellis frame.
Monobloc brakes:
Ducati Superbikes have always been famous for their incredible,
track-derived braking performance and the 848EVO is no exception. Now featuring
Brembo's powerful Monobloc calliper racing technology applied to 320mm discs,
the EVO's incredible braking capability is a result of Ducati's continual quest
for responsible performance.
Machined from a single piece of alloy, the callipers achieve a higher
rigidity and resistance to distortion during extreme braking. The resulting
increase in hydraulic efficiency not only delivers incredible braking power, but
also provides an enhanced and precise 'feel' at the brake lever. The twin
Monobloc callipers each have four 34mm pistons that grip 320mm discs to help
generate planet-stopping braking.
Aerodynamic bodywork:
Carefully designed for aerodynamic efficiency and to hug the sleek lines
of the chassis, the Superbike bodywork enables the rider to blend effortlessly
into the correct riding position.
Its race-developed fairing design ensures perfect integration with the
cooling system by providing efficient flow through the advanced, large surface
area coolant radiator, which is assisted by lightweight, high flow electric fan
assemblies and oil coolers.
* Aerodynamically shaped air ducts positioned just below the headlamps are
precisely calculated to provide ample air delivery to the pressurised airbox.
The lightweight bodywork contributes considerably to overall performance
by reducing weight, protecting the Testastretta Evoluzione engine's power
output, and assisting the rider to effortlessly 'tuck in' from the wind stream
and reduce drag to achieve maximum straight-line track speeds.
Instrumentation:
This pure racing digital instrumentation originating from Ducati's MotoGP
project has no switches or buttons to compromise its clean, minimalist lines.
Instead, information additional to the default read-outs is managed from the
left-hand handlebar-mounted switch gear, allowing the rider to scroll through
and select from various menus. The display, which has a bright white LED back
lighting presents rpm and speed, with the former displayed across the screen in
a progressive bar graph. Optionally, the rpm and speed can be displayed in
numeric values.
Additionally, it displays lap times, time, air temperature, coolant
temperature, battery voltage, two trips and a trip that automatically starts as
the fuel system goes onto reserve. Warning lights illuminate to signify neutral,
turn signals, high-beam, rev-limit, low oil pressure, fuel reserve, and
scheduled maintenance. The instrument display is also used as the control panels
for the DDA system (available as an accessory) as well as listing lap times
recorded by using the high-beam flash button as a stopwatch.
Data acquisition:
The Ducati Data Analyser (DDA) - complete with PC software, a USB-ready
data retrieval card and instructions - evaluates the performances of the bike
and its rider, and makes comparisons between various channels of information.
The DDA is available for the 848EVO as an accessory from Ducati Performance.
Normally only available on race bikes, DDA records numerous channels of
data including throttle opening, vehicle speed, engine rpm, engine temperature,
distance travelled, laps and lap times. The system also automatically calculates
engine rpm and vehicle speed data so as to display gear selection as an extra
channel of information. At the end of a ride or track session, an upgraded 4mb
of data can be downloaded to a PC ready to compare, analyse and get an inside
view of the performance of the rider and motorcycle.
Data can be analysed in graphic form with options to zoom into detail of
specific sections. Dragging a trace along a timeline to reveal individual values
of the above listed channels enables the user to analyse performance in the same
way that data technicians can in factory teams. The software allows data to be
compared with that from a completely separate session and for pages of data to
be printed off easily.
Superbike lights and indicators:
The horizontal twin headlamps are modernised interpretations of the iconic
916, restyled and updated with the latest lighting technology. Two
polyellipsoidal units light the way with a powerful beam while maintaining an
aggressive look to the front of the machine in pure Ducati Superbike tradition.
The rear light employs a specially designed strip of LEDs enhanced by a high
diffusion lens shaped into the sleek lines of the tailpiece. The same LEDs are
intensified for brake lights.
The directional indicators also use the latest in LED technology for
illumination. The frontal indicators are beautifully integrated into the rear
view mirrors, which come with an optional spacer kit enabling an extension of
30mm over the standard mirror stem length.
Engineered by the stopwatch. Designed by the race track:
Ducati Superbikes are the most advanced, most powerful twin-cylinder
motorcycles ever built. They are the product of a team of designers and
engineers who have combined their MotoGP and World Superbike technologies to
create the finest sport bikes in the world, and the results are pure excellence.
"Engineered by the stopwatch, designed by the race track" is now extended with
"evolved by experience" for the 848EVO, as constant owner feedback has been
transformed into enhanced specification.
Ducati Superbikes are race bikes, pure and simple. Their striking
aerodynamic shapes create a natural riding position, confirmed by Ducati
development and factory team riders as the optimum for speed and agility.
Performance is first and foremost in every detail.
Trademark Ducati features like the high tail section and compact front end
combine with twin under-seat silencers and single-sided swingarm to express the
sheer engineering beauty of aerodynamics and agility.
Equipped with a revised 140bhp engine, the Ducati 848 Evo now has
a better power-to-weight ratio than a 2005 Ducati 999; the torque-to-weight
ratios are identical. Now that's progress.
The 848 Evo is up 6bhp and 1.5lb/ft thanks to new cylinder heads, new cams, new
pistons, larger throttle bodies and more precise monitoring of gas flow. The
compression ratio is also up to 13.2:1.
Aside from the engine, there's now top-shelf Brembo Monoblock brake calipers and
a standard steering damper. Notably absent is the Ducati 1198's traction
control.
NOTE:
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