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Zero

   

Husqvarna SMR 449

 

 

 

 

Make Model

Husqvarna SMR 449

Year

2011

Engine

Liquid cooled, four stroke, single cylinder, DOHC, 4 valves per cylinder.

Capacity

449
Bore x Stroke 98 x 59.6 mm
Compression Ratio 12.0;1

Induction

Electronic Fuel Injection

Ignition  /  Starting

CDI electronic with digital advance control.    /  electric
Clutch Wet,multiplate type; hydraulic control

Max Power

Max Torque

Transmission  /  Drive

6 Speed  /  chain
Gear Ratio 1st 2.000 (28/14), 2rd 1.611 (29/18), 3th 1.333 (24/18), 4th 1.086 (25/23), 5th 0.920 (23/25), 6th 0.814 (22/27)
Frame

Steel single tube cradle (round tubes); rear frame in light alloy

Front Suspension

50mm Marzocchi Upside-Down telescopic hydraulic fork with advanced axle; compression and rebound stroke adjustment, 250 mm wheel travel

Rear Suspension

Progressive 'soft damp' with hydraulic adjustable single shock absorber; spring preload adjustment, compression and rebound adjustment (compression stroke: double adjustment), 290 mm wheel travel

Front Brakes

Single 320mm disc 4 piston caliper

Rear Brakes

Single 220mm disc 1 piston caliper

Front Tyre

120/70 -17

Rear Tyre

150/60 -17
Seat Height 820 mm /  32.3 in

Dry Weight

118 kg

Fuel Capacity 

9 Litres

The design of the new SMR449 outstrips that of other motard models and stands out immediately for its looks, exclusive layout and cutting-edge technology.

DESIGN AND LAYOUT

The line is completely new: slim, svelte and refined. The single piece side panel runs from where traditionally the fuel tank would be, all the way back to the rear mudguard, allowing the rider free and unhindered movement. There is no chance of snagging boots or pants on the edges of the panels with this design.

Besides the aesthetic and ergonomic aspects, the new design also makes maintenance easier as the air filter, rear shock and throttle body can all be accessed with ease. The long seat, which runs from the rear mudguard to the steering head, offers completely free longitudinal movement and has been modified compared to the Enduro version to improve rider comfort on longer journeys.

MASSES AND CENTER OF GRAVITY

The idea behind the SMR 449 is ‘mass centralisation’ – to keep the weight of the bike concentrated as close as possible to the centre of gravity and to design a chassis which adapts perfectly to the demands of use on the road and in the racing environment. This solution, which Husqvarna calls CTS (Coaxial Traction System), eliminates the variation in the length of the chain during rear suspension movement, minimising the effect of the final drive on the bikes handling. The crux of this concept is the union of the rear wheel swing arm pivot point and the gearbox output shaft sprocket. This solution, which Husqvarna calls CTS (Coaxial Traction System), eliminates the variation in the length of the chain during rear suspension movement, minimising the effect of the final drive on the bikes handling.
The chassis layout allows the modern DOHC engine to be mounted closer to the centre of the bike, whilst tilting the cylinder further forward allows a long and straight air intake path at the same time as keeping the centre of gravity as low as possible.

Again, continuing the theme of mass centralisation, the two part fuel tank design provides a total of 8.5 Litres
capacity in a low mounted 2 litre pump housing and a 6,5 litre under seat main tank. The under seat fuel tank layout permits the airbox to be located in a protected and fluidodynamically favourable position above the engine with the actual air intake being at the height of the steering column, in a raised and sheltered position to minimise the intake of dust or water.

REFERENCE PERFORMANCES

The SMR 449 is equipped with a cutting-edge 4 valve dual camshaft engine which has been significantly improved thanks to the experience gained by Husqvarna in its many years of motard racing.

Fuel delivery is managed by an electronic injection system with a Keihin 46 mm diameter, double flap throttle body which provides progressive and predictable throttle response.

The secondary gearing has been tailored to suit the intended on road application of the bike and the fuel/ignition mapping has been optimised for performance and controllability in both capacity versions.
The SMR511 version has been achieved thanks to the increased cylinder bore of 101mmcompared to the 98mm of the 449. The stroke remains the same on both models at 59.6mm,giving the 511 an effective displacement of 480cc.

The clutch is controlled hydraulically, offering smoother and more gradual release with greater control also under stress.

The motorcycle has a high energy electronic ignition and, thanks to the powerful battery and fuel injector system, a supplementary kick start is not necessary.

HANDLING AND PERFORMANCE

Naturally, Husqvarna's long experience in Motard racing has played an important part in thedevelopment of the new motorcycles. The challenges posed by the conception of geometry and bythe general concept of the motorcycle itself were linked to the tough demands of riding in the most severe and extreme conditions such as sharp changes in direction, tight bends and winding mountain roads. The result is a surprisingly effortless and smooth ride along with agility and outstanding steering stability.

The chassis is perimetrical made of high strength steel tubing. The geometry of the rearsuspension is revolutionary, with a new linkage mounted on the upper side of the aluminium alloy swing arm.

This solution offers many advantages: it increases the Ground Clearance, improves general reliability thanks to the reduced exposure of the link and makes maintenance easier.

But there's more: dynamically, by exploiting the advantages of the double cradle frame made in high strength steel tubing, the roughness of the ground is absorbed more gradually, attenuating the stresses on the rider.

The advantages when jumping are also remarkable with the recoil effect of the rear wheel being significantly reduced and the smoothness of the suspension is particularly perceivable on rougher and more difficult ground.

All this offers great manoeuvrability and ease of driving with a record-setting total weight for a single cylinder motard: the SMR 449/511 weighs just 118 on the kerb, without fuel.

COAXIAL TRACTION SYSTEM

A real refinement in the field of chassis design and exclusive to the SMR 449/511 range is the CTS, the Coaxial Traction System. The advantages of the CTS system compared to the traditional systems are huge. During the suspension movement along the whole stroke, the chain is not subject to any change in length. The tension of the chain remains constant regardless of the swing arm position, while the chain and sprockets benefit from reduced wear. An important positive effect on the riding characteristics is the marked reduction of the impact of alternating the load on the transmission.
More in general, the values obtained by adopting the CTS have a much more uniform trend in all conditions, leading to improved ridability and stability of the motorcycle.

TOP OF THE RANGE COMPONENTS

The new SMR is equipped with the most advanced components. The front brake comes from Brembo with hydraulic control, floating radial calliper with Racing origin with four pistons and 320 mm Braking wave disks while at the rear there is a floating calliper which works on a Braking 240mm wave disk.
The front suspension consists of Marzocchi 50mm USD forks, providing 250mm of travel and are adjustable for compression and rebound damping. The rear shock-absorber is a new Sachs, adjustable for pre load as well as rebound and compression damping. The useable travel of the rear wheel is 290 mm.
The tapered handlebars without cross bar, compact and efficient instrumentation, shockproofplastic engine protection and chassis protection, rear mudguard with incorporated racing number plate and LED rear light and short front mudguard complete the fittings.
The wide range of accessory parts available are the best combination of lightness, resistance, performance and allow Husqvarna fans to personalize their bikes and offer them the ingredients for racing success.

 

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