Motorcycle Types Adventure / Dual-Sport 2011 Husqvarna TC 449 | Preview

2011 Husqvarna TC 449 | Preview

Husky TC 449

Husky fans seeking more motocross riding than enduro will like what’s offered in the Husqvarna TC449 for 2011. This bike is based on the Enduro models (TE551 / TE449), but has a specially tuned engine for more track performance, and a 19-inch rear wheel over the standard 18-inch one found on the enduro models.

The engine is built directly for MX use. Husky says the timing and camshaft profiles are completely different as is the compression ratio which has increased to 13:1 instead of 12:1 in the Enduro version.

The electronic injection system still uses a 46mm Keihin throttle body but is fitted with a single flap instead of the Enduro twin flap version to provide a sharper, more aggressive throttle response. Additionally, the TC449 is fitted with a dual mode switch on the handlebars, which allows access to two different fuel injection / ignition timing maps to provide a softer power delivery for low traction conditions.

Additional features include multiple-adjustable suspension components from Kayaba, a five-speed transmission with specific ratios for MX riding, and a titanium exhaust system developed by Akrapovic.

Husky says a real refinement in the field of chassis design and exclusive to the new machines is the CTS, the Coaxial Traction System. This system represents an evolution compared to the one adopted on the BMW G 450X.

The solution, which originally used a single swing arm pivot spindle, now has two independent semi spindles which reduce the stress on the swing arm and facilitate the replacement of the gearbox sprocket.

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.

This aspect has been studied by a spin-off company of the University of Padova called Dynamotion which has proved that the CTS improves traction in the various stages of acceleration and consequently during also the vertical movements of the suspension on rough terrain.

The result is better traction during acceleration and surer, more confident gear changes. 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.

2011 Husqvarna TC 449 | Motorcycle Specs:

Dimensions:
Wheelbase: 58.66″
Overall Length: 86.93″
Overall Width: 32.28″
Overall Height: 49.61″
Saddle Height: 37.91″
Min. Ground Clearance: 13.19″
Weight (Without Fuel): 238.1 lbs.
Fuel Tank Capacity: 1.93 gallons

Engine:
Bore: 3.86″
Stroke: 2.35″
Displacement: 27.44 c.i.
Compression Ratio: 13.0:1
Fuel System: Electronic Fuel Injection
Throttle Body: Keihin D46
Start: Electric

Suspension:
Front Forks: Kayaba upside-down telescoptic hydraulic fork with advanced axle, compression and rebound stroke adjustment
Fork Legs Diameter: 1.89″
Stroke: 11.81″
Rear: Kayaba progressive link with single hydraulic shock absorber, spring preload adjustment, compression (high and low speed) and rebound adjustment
Stroke: 11.81″
Wheels: 1.60″ x 21″ Front, 2.15″ x 19″ Rear

Ron Lieback
Ron Lieback
One of the few moto journalists based on the East Coast, Ron Lieback joined the motorcycle industry as a freelancer in 2007, and is currently Online Editor at Ultimate Motorcycling.

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