 |
|
| Year
(of specifications) |
2009 |
| Engine |
749.9 cc
90 degree V-twin |
| Transmission |
6-speed,
chain drive |
|
Max
speed |
- |
| 0-60
mph |
- |
| Horsepower |
92 bhp
@ 8,750 rpm |
| Weight |
186 kgs
/ 410 lbs |
| Seat
height |
870 mm
/ 34.2 inches |
The
Aprilia Dorsoduro is a supermoto inspired road bike powered
by a 749.9 cc 90 degree V-twin engine. This engine develops
92 horsepower @ 8,750 rpm and, 82 Nm at 4,500 rpm.
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Below
is the Official Aprilia information on the 2009 Dorsoduro 750:
The Aprilia Dorsoduro 750 is a concentration of pure technology
enhanced by stunning lines and an aggressive look that comes
not only from power and torque but from amazing agility too.
Everything about this new Aprilia has been designed to be as
light and effective as possible. The Aprilia Dorsoduro 750 is
a motorcycle built to stimulate the senses of its rider.
The minimal and aggressive bodywork of the Aprilia Dorsoduro
750 adds the perfect finishing touches to the advanced motorcycle
technology that forms the basis of its design. The Aprilia Dorsoduro
750 is built around the rider to deliver maximum riding thrills.
That is why this radical, daring and sporting machine shuns
everything that does not contribute effectively to maximum riding
pleasure. Plastic body panels have been reduced to a minimum
for this very reason. As with top competition machines, anything
that does not improve performance has been eliminated. Only
the place for a number has been left to emphasis the bike’s
close ties with the world of racing. The middle of the bike,
the area most important to rider movement under competitive
riding conditions, shows just how compact this design really
is. The Aprilia Dorsoduro 750 is incredibly slender and agile
and enters into instant symbiosis with its rider. Only a few
metres on this amazing machine are enough to feel completely
at one with it. Aprilia’s design team have achieved this impressive
result by giving the Dorsoduro a long, flat seat, derived directly
from the world of racing, allowing the rider to find the most
effective position at all times.
The sleek, compact tail houses a twinned exhaust, a solution
that not only gives the bike a mean, aggressive look but also
achieves perfect symmetry and ideal weight distribution. The
hand guards are derived from those of the SXV supermotard and,
despite their streamlined look, offer effective protection against
accidental impacts with the control levers.
APRILIA’S 90° V TWIN: STATE-OF-THE-ART TECHNOLOGY
Aprilia’s 750 cc 90° V twin engine has been improved in a number
of ways, through extensive bench testing and trials on roads
and circuits all over the world. The engine development team
at Noale has succeeded in shaping the character of this unique
engine to precisely match the Dorsoduro’s extreme agility. Improvements
have been made to various areas of the 749.9 cc engine with
its bore and stroke of 92 x 56.4 mm. As a result the electronic
and mechanical content of this V twin engine sets new standards
not only for engines of this size but for many far larger units
too. The V twin engine that powers the Aprilia Dorsoduro incorporates
the latest, most advanced technology:
• 90° V twin layout
• Liquid cooling
• Tri-Map engine management and ride-by-wire throttle control
• Very over-square bore to stroke ratio
• Four valves per cylinder
• Double overhead cam valve timing
• Electronic fuel injection with two throttle bodies
• Stick-coils integrated in the spark plug caps
• Three way catalytic converter and Lambda probe
• Hydraulically operated wet clutch
The fuel injection system uses micro-spray injectors for optimum
burn, guaranteeing high power and extremely low emissions. Aprilia
was the first motorcycle manufacturer to believe in the potential
of ride-by-wire electronic throttle control. This sophisticated
technology, transferred to production directly from the world
of racing, lets riders get the very best performance out of
their motorcycles.
The electronic engine management on the Dorsoduro 750’s engine
leads the field in technology and performance. The Dorsoduro
features a second generation electronic throttle with Tri-Map
selectable triple mapping. Three performance modes, Sport, Touring
and Rain, can be selected on the move from a switch on the handlebars
(with the throttle closed for safety reasons). The Dorsoduro
changes its character radically, depending on what mode you
select. Sport mode gives you aggressive instant power; Touring
mode gives you a smoother action, better suited to relaxed long
distance riding; and Rain mode gives you ultimate safety slippery
surfaces. The Tri-Map electronic throttle also means smoother,
more consistent power thanks to more accurate and precise throttle
control based on parameters including engine speed, gear selection,
air flow, throttle position and temperature. The V twin engine
performs superbly at low and medium revs and even at partial
throttle openings, situations typical of the sort of riding
the Dorsoduro 750 supermotard is designed for. Whatever mapping
you select, the engine is always ready to deliver the best possible
performance in terms of acceleration and rev range, giving you
an amazingly satisfying and entertaining ride. The exhaust is
made entirely from stainless steel. The collector pipes meet
in a single silencer under the seat before splitting again into
two tail pipes. The large volume of the exhaust system also
aids engine breathing and boosts efficiency. A latest generation
ECU manages all engine parameters, with a CAN (Controlled Area
Network) line carrying all signals to an instrument cluster
that incorporates a self-diagnostic terminal. Because the CAN
line uses only two wires to transfer all the necessary data,
the Dorsoduro’s electrical system is beautifully simple and
a major factor in the bike’s impressively light weight. Thanks
to its advanced electronic and mechanical technology, the Aprilia
V twin engine develops 92 HP at 8,750 rpm and a maximum torque
of 82 Nm at 4,500 rpm. These figures enable the Dorsoduro to
compete directly with motorcycles powered by far bigger engines.
The Aprilia Dorsoduro 750 is also available, right from its
introduction, in a restricted 25 kW version. The use of a ride-by-wire
electronic throttle has allowed Aprilia to avoid cutting power
right across the range, as happens with less advanced restricted
versions. Instead, the power curve of the restricted Dorsoduro
is identical to that of its full-power sister right up to the
point where the permitted power limit is reached. The 25 kW
Dorsoduro 750 therefore delivers far superior acceleration to
the equivalent models of the competition, to the benefit of
riding satisfaction and pleasure.
FRAME: PERFECT BALANCE
Aprilia motorcycles have always been acclaimed for the excellent
chassis designs. The Dorsoduro 750 is no exception, thanks to
a chassis that makes it the best balanced and most effective
bike of its type. The new Dorsoduro is easy and intuitive to
ride despite its blistering performance. It is designed to be
ridden at the limit under all conditions, to perform extreme
power slides, and to blast out of bends under full power. The
secret lies in an ultra-responsive chassis, whose ergonomics
suit riders of all statures and allow you to “take it to the
limit” and enjoy the thrills of a motorcycle built for pure
entertainment.
The frame incorporates all of Aprilia’s vast racing experience,
and makes full use of the latest mixed steel and aluminium designs
derived from the world of Supermotard World Championship racing.
The top half of the frame is a tubular steel trellis. This is
secured to generous aluminium side members by special high strength
bolts. The resulting structure is extremely rigid and lightweight,
and provides the best possible means of harnessing the exuberant
power of the Aprilia V90 engine while still communicating a
strong impression of lightness, high technology and Italian
style. Continuous co-operation between engine and frame designers
has led to the perfection of high-tech, performance-oriented
solutions and to total integration between engine and frame.
The intelligent design solutions applied to Aprilia’s V twin
engine have made it shorter than ever, permitting the development
of a rational and efficient frame and a superbly agile and incredibly
responsive motorcycle. The lateral position and acute angle
of the rear monoshock has freed up the space needed to ensure
optimum exhaust geometry without any increase in the bike’s
overall length, and without subjecting the monoshock to thermal
stress. The aluminium swingarm is robust enough to withstand
the asymmetric stresses generated by the lateral positioning
of the rear suspension. The swingarm has been specially developed
to satisfy the needs of a supermotard like the Dorsoduro 750,
and combines excellent torsional rigidity with the elasticity
needed for precision under acceleration and intuitive control
under changing conditions.
SUSPENSION: EFFECTIVE ON ALL SURFACES
Optimum suspension setup has always been one of the strong points
of the Aprilia design and testing team. The 43 mm upside down
fork features shell-cast bottom outers with radial calipers
mountings, and offers adjustments for spring preload and rebound
damping. This sophisticated fork offers a superb sliding action
and a wheel travel of 160 mm in line with the latest trends
in supermotard racing. Both yokes are forged, and the top yoke
is also anodised to match the Dorsoduro’s high level of finish.
The laterally offset monoshock pivots directly on the swingarm
in a cantilever configuration, and is also adjustable in spring
preload and rebound damping. Rear wheel travel is 160 mm, again
in keeping the requirements of a top level supermotard, on which
effective, controlled long stroke suspension is a must.
BRAKES: RACING TECHNOLOGY
The Aprilia Dorsoduro 750 is equipped with the best braking
technology currently available. The front brakes feature 4-piston
radial calipers, state-of-the-art for the motard market. The
lightweight, 320 mm wave discs ensure shorter than ever stopping
distances. The bike’s aggressive stopping power is emphasised
by the mean look of the braking system, in keeping with the
Dorsoduro’s overall styling. The rear brakes incorporate another
wave disc, 240 mm in diameter this time, plus a single piston
caliper. Both the front and rear brakes are fitted with aeronautical
type metal braided brake lines to eliminate the sponginess associated
with conventional rubber hoses and to deliver maximum braking
precision.
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