NEWS
October 6 2011
THE MV AGUSTA F4 R CORSA CORTA HAS ARRIVED
The new MV Agusta F4 R 2012 has been designed to offer clients a
superbike with extreme performance. The key feature of the F4 R is, in
fact, the new “Corsa Corta” engine capable of extraordinary performance
and already employed on the F4 RR, the top of the MV Agusta superbike
range.
The new 4 cylinder inline with radial valves is the
pulsing heart of the MV Agusta F4 R. The thermodynamics have been
completely redesigned, starting from the new low inertia crankshaft
which makes it possible to use a super over-square bore and stroke
ratio. In this way, the MV F4 R is capable of reaching rpm worthy of a
pure racing motorcycle. The engine capacity of 998cc has been obtained
by using a bore of 79 mm and a stroke of only 50.9 mm. In this way it
is possible to achieve an extremely high 13700 rpm rev limit while at
the same time lowering the linear velocity of the piston from 24.9 m/s
to 23 m/s improving reliability.
In order to reach the
stratospheric homologated power of 195.2 hp (against the 201 hp of the
super powerful RR version) at 13000 rpm, every component was thoroughly
engineered. The cylinder head uses completely new ports and employs
larger valves both on the inlet and exhaust. For the first time on a
mass production motorcycle, all the valves are made of titanium,
allowing the weight of these to be reduced regardless of the increase in
diameter (from 28.6 to 31.8 mm for exhaust and from 24.6 to 26 mm for
the exhaust). The engine “breathes” in a more efficient way thanks to
the use of a new 4-2-1-4 primary section of the exhaust system. In
addition to assuring optimized engine efficiency, this new exhaust
system offers an absolutely unique sound that is even more captivating
then in previous versions. The fuel system employs 4 throttle bodies
with a 49mm diameter and double fuel injectors per cylinder coupled with
the unique MV Agusta TSS (Torque Shift System) variable intake runners.
The
new engine of the MV Agusta F4 R was designed with the scope of
reducing the internal friction to a minimum: the transmission’s new
primary gear ratio allowed a drastic reduction in rpm of both generator
and water pump, thereby limiting the absorbed power. This extraordinary
engine utilizes the unique features that have become trademarks to MV
Agusta including a removable 6-speed gearbox and a slipper clutch which
assures precise control even during the most violent braking manoeuvres.
The electronic management system has been continuously evolved, the
traction control employs a new algorithm and maintains the two rider
selectable engine maps, all of which are now comfortably adjustable by
means of the new control situated on the left handlebar.
The
new MV Agusta F4 R remains, naturally, faithful to the structural
tradition of mixing a steel tubular trellis to cast aluminium
side-plates. The steering head angle is set at 23.5°, perfect for
providing control, manoeuvrability, and stability. Also confirmed is the
exceptional rear single-sided swingarm, a real engineering jewel that
weighs only 5 kg, a record for this type of element.
The MV
F4 R retains its notoriety for excellence in the area of suspension. The
Marzocchi upside down forks, with 50 mm stanchions, is derived directly
from the units used in competition, they are adjustable in spring
preload as well as the hydraulic extension and compression. The forged
ultra-light front axle carrier is also especially made for the F4 R and
uses a rapid release system for the wheel, reminiscent of the first F4,
the legendary Serie Oro that adopted this same technical solution. The
rear Sachs shock absorber is equipped with a nitrogen reservoir
(separated and integrated within the body) and is adjustable in
extension, compression and spring preload. The shock linkage allows the
ride height to be adjusted depending on the desired setup, rider
preferences to further tune the bike to specific riding conditions and
tracks.
The Brembo front brake system, with “monoblock”
radial calipers is, without a doubt, the best system for motorcycles
currently on the market, coupled to a master cylinder with integrated
reservoir made specifically to demanding MV specifications.
The
320 mm diameter floating double front discs use an ultra light flange
which are 5 mm thick to reduce inertia forces and non suspended masses.
The rear brake system is made exclusively for MV with a stainless steel
220 mm diameter disc and 4 piston calliper.
The new F4 R,
already on sale at official dealers, is available in 2 colours: red/grey
and white/medium grey, at a price of 18800 € including tax in Italy
(Every country could have a price variation due to local import duties
and taxes).
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