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BMW G 450X
The new BMW G450X Sport Enduro is a unique motorcycle that completely redefines enduro riding. That’s because it’s been designed from the ground up to deliver the sort of off-road traction dreams are made of, with a brand new single-cylinder engine and a revolutionary swing-arm design. The result is a bike that is quite simply unstoppable.
Thanks to a perfect riding position. Unstoppable performance is not just about the frame, engine and chassis. It’s also about the rider. The riding position – whether traveling uphill or down, sitting or standing – is also of vital importance to proper control of the bike. The G 450 X is exceptionally well balanced, with a slim body, and a long, .. at seat. And for maximum freedom of movement, the fuel tank is located beneath the seat rather than in front of it. Thanks to an outstanding engine. The key to
unstoppable performance is an unbeatable
Thanks to an uncompromising suspension design. To be truly unstoppable, you need outstanding grip, which means maximum ground contact at all speeds and on all surfaces. The front of the G 450 X features a fully adjustable Marzocchi upside-down fork with 300 millimetres of travel, and effortlessly takes on even the bumpiest terrain. At the rear is a fully adjustable Öhlins monoshock suspension system, also fully adjustable and with 320 millimetres of travel. Thanks to a revolutionary frame. Unstoppable performance can only be achieved with original thinking, as seen in the mounting of the rear swing-arm of the G 450 X. Its pivot point shares an axle line with the drive sprocket, so ensuring that the length of the drive chain – and as a result, the ef.. ciency of the transmission – is not affected by the compression and rebound of the suspension. The swing-arm is signi.. cantly longer than on other bikes with a comparable wheelbase, for maximum ground contact and traction on any surface. Finally, the ground-breaking frame features perfectly straight tubing, offering exceptional structural rigidity. Concept, Requirements and Features. Over the last 80 years BMW Motorrad has made off-road history time and time again. The marque is now closely involved in off-road sports as never before and is premièring an uncompromising, pedigree sport enduro in the attractive displacement class of the 450 model series: The new BMW G 450 X – a motorcycle exclusively developed for the enduro sport and the most demanding competitive races in the world. A machine that is ready to compete the moment it arrives from the factory. The background to the development of such a machine is the knowledge that competition-oriented enduro motorcycles represent a parameter with growth potential in the motorcycle market. Markets such as USA, Australia, and also Spain, already register – nearly traditional – stable sales in the off-road sector and BMW Motorrad wants to help shape and stimulate this and other markets for the long term. Besides, smaller volume off-road motorcycles open the gateway to both popular and professional motor sport as well as offering enough potential to also help the young generation to rediscover the fascination of motorcycles again. With the launch of the G 450 X, BMW is also pointing the way for the upcoming generation and towards sustainably securing the future of the motorcycle in general. The engine with the latest fuel injection and computer-controlled three-way catalytic converter is Euro III homologated and already meets the vehicle emissions standards which are becoming ever more rigorous today for sports events as well as for road vehicles. With these measures BMW Motorrad is also taking a further step towards public acceptance of enduro sports in future. The patented, unrivalled technical features of the new BMW G 450 X make it a driving force and contribute to the advancement of technological competition in this segment.
The introduction of the tough enduro BMW G 650 X challenge has already pointed the way: with a frame and swing arm layout for improved offroad traction, low weight, compact chassis, dynamic engine. BMW Motorrad goes still further with the BMW G 450 X and is not content with constructional features traditionally seen in the class. High-tech solutions have been realised in both the engine and chassis in keeping with the cross-country sporting tradition of the house and giving the marque a fascinating exclusive off-road profile. The concept of the BMW G 450 X is based on keeping the mass concentrated as near as possible to the centre of gravity and realising a vehicle configuration that adapts perfectly to the requirements of off-road sport. The central element of this concept is the amalgamation of the bearing axle of the rear-wheel swing arm with the axis of rotation for the driving pinion so there is no change in length of the chain on compression and rebound, minimizing the effects of the final drive on the vehicle’s response. Further consequences of this unequalled technical approach are a noticeably longer swing arm for the same wheelbase as the competition and, with it, maximum traction bringing concrete advantages in enduro sport with its extreme demands on rider and machine. Fundamental to the overall plan is the saving in length through the alliance of the swinging bearing and pinion rotation axis. Not only does it enable a longer swing arm, but the modern high-performance DOHC single-cylinder engine with an output of 50 PS could also be positioned further to the rear. The cylinder was more strongly tilted to the front, thus creating space for long, straight intake tracts. In this way an ideal position was reached for the fuel injection nozzle and dual throttle valve fuel injection system. This also contributed to adapting the engine to meet the requirements of the Euro III exhaust gas norm without loss of performance, which is anything but standard in this motorcycle category. Further concept advantages include optimum protection of the airbox and voluminous air flow due to its placement above the motor in front of the seat. One consequence of the resolutely implemented, centralised concentration of masses close to the centre of gravity is the 8.5-litre tank under the seat. The filler manifold is positioned below an opening in the rear part of the seat. The reserve function is signaled by a warning lamp in the cockpit.
Another distinctive construction feature is the relocation of the clutch
directly
onto the crankshaft. A position that enabled an ingenious frame
construction:
The frame tubes were placed straight ahead of the swing arm pivot, bringing
maximum stiffness at the same time as minimum weight and lowest use
of material. Further plus points of this overall arrangement resulted for
the
cooler. This now had enough space to be realised in one piece. This saved
additional coolant hoses and and with a low weight, important for an
off-road
motorcycle.
The BMW G 450 X continues the off-road expertise in the field of
professional
enduro sport already consistently realised in the BMW G 650 Xchallenge.
It weighs about 40 kilograms less than the G 650 Xchallenge for roughly
the same output and, from the first draft to the last detail, is perfectly
tailored
to the requirements of the ambitious and success-oriented enduro sports
rider. As a completely special and absolutely exceptional motorcycle, the
BMW G 450 X is a genuine sports machine and it goes without saying that
it has all parts required for MOT approval as standard. This means that –
unlike other vehicles in this class – it’s no problem to ride the BMW G 450
X To corroborate the extremely sporty enduro qualities, BMW Motorrad has
a works racing team that already took part in different Enduro sports events
with the G 450 X during the test phase and will continue to race it in the
Enduro world championship of the E2 class for example, or the German cross
country championship (GCC).
The worldwide market introduction of the BMW G 450 X is scheduled for
the middle of 2008.
The range of possible uses of the G models covers a wide spectrum. From the light allrounder ideal for touring to the agile super moto performer and the robust hard enduro up to the genuine sports enduro with competitive qualities. While the models of the 650 series are based on a common technical basis, but are differentiated by the consistent configuration and exclusive product features for their respective purpose, the high performance machine G 450 X is the first representative of a motorcycle generation that shows itself to be uncompromisingly competitive and success oriented, representing the sporty spearhead of the G-series as a result. Common to all G models is the high-grade substance of the product and proverbial BMW quality, independent of where it is produced. Specially tailored to customers’ riding styles and the abilities of the G 450 X, exclusive trainings are in preparation and will progressively supplement the offers for the new motorcycle. Development, Technology and Design. Engine. Chassis.
Innovative frame concept.
Design. Technical Data.
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Any corrections or more information on these motorcycles will be kindly appreciated. |