Husaberg FS 400 E - Specifications & Review

FS 400 E

Article Complete Info

Articleid689940
CategorySuper motard
MakeHusaberg
ModelFS 400 E
Year2003

Chassis, Suspension, Brakes & Wheels

FrametypeBTR 25CrMo4, heat-treated at +800° C
FrontbrakesSingle disc
Frontbrakesdiameter310 mm (12.2 inches)
FrontsuspensionWP MXMA 4860-Husaberg Supermotard
Frontwheeltravel260 mm (10.2 inches)
RearbrakesSingle disc
Rearbrakesdiameter220 mm (8.7 inches)
RearsuspensionWP PDS 5018-Husaberg Supermotard
Rearwheeltravel287 mm (11.3 inches)

Engine & Transmission

Borexstroke92.0 x 60.1 mm (3.6 x 2.4 inches)
Compression12.5:1
CoolingsystemLiquid
Displacement399.00 ccm (24.35 cubic inches)
EnginedetailsSingle cylinder, four-stroke
FuelsystemCarburettor
Gearbox6-speed
TransmissiontypefinaldriveChain
Valvespercylinder4

Physical Measures & Capacities

Dryweight111.9 kg (246.7 pounds)
Fuelcapacity9.00 litres (2.38 gallons)
Groundclearance320 mm (12.6 inches)
Seatheight870 mm (34.3 inches) If adjustable, lowest setting.

About Husaberg

Country of Origin: Sweden (later production in Austria under KTM ownership)
Founder: Former Husqvarna engineers led by Thomas Gustavsson and Bo Salén
Best Known For: Hard-edge enduro thumpers; innovative engine layouts (70° FE series)

Company History

When Husqvarna’s motorcycle division moved to Italy in 1987, a cadre of Swedish engineers stayed behind and created Husaberg, determined to keep Nordic enduro DNA alive. Their bikes were raw, light, and shockingly fast, wrapping four-stroke engines in minimal chassis that prioritized traction and agility. The brand’s engineering adventurousness peaked with the 70° engine layout—tilting the cylinder to mass-centralize and lower the CG—yielding a knife-edge feel beloved by expert riders. Financial realities led to KTM acquisition in the 1990s; technology cross-pollinated, quality climbed, and Husaberg became a skunkworks for ideas that later influenced orange-branded machines. In 2013 the name was sunset as Husqvarna’s modern era began in Austria, but Husaberg’s imprint endures in how contemporary enduros steer, start, and deliver torque. Historically, Husaberg proves the power of a small, stubborn team: when you optimize for feel and speed in the trees, you can change a whole category’s expectations.

Other Years

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