Husaberg FS 400 E - 2003 Specifications and Reviews

The 2003 Husaberg FS 400 E is a lightweight supermoto designed for aggressive street and dirt riding. Its potent 399cc single-cylinder engine delivers impressive power-to-weight performance, making it ideal for riders seeking versatility and agility. Known for its responsive handling and minimal mass, this bike excels at nimble urban navigation and off-road capability.

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General information

CategorySuper motard
Year2003
ModelHusaberg FS 400 E
 
 

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
Fuel controlOHC
Valves per cylinder4
Fuel systemCarburettor
Bore x stroke92.0 x 60.1 mm (3.6 x 2.4 inches)
Compression12.5:1
Stroke4
Engine typeSingle cylinder
Capacity:399.00 ccm (24.35 cubic inches)

Physical measures and capacities

Wheelbase1,490 mm (58.7 inches)
Ground clearance320 mm (12.6 inches)
Seat height870 mm (34.3 inches) If adjustable, lowest setting.
Dry weight111.9 kg (246.7 pounds)
 
 

Husaberg FS 400 E dimensions and frame

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter310 mm (12.2 inches)
Front brakesSingle disc
Rear suspension travel287 mm (11.3 inches)
Rear suspensionWP PDS 5018-Husaberg Supermotard
Front suspension travel260 mm (10.2 inches)
Front suspensionWP MXMA 4860-Husaberg Supermotard
Frame typeBTR 25CrMo4, heat-treated at +800° C

Speed and acceleration

Fuel capacity9.00 litres (2.38 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track80%
City70%
Cornering92%
Daily Riding45%
Touring20%
Passenger15%

Rider Profile

Best ForThis is a demanding machine best suited to experienced riders comfortable with a light, high-strung single-cylinder supermoto.
PurposeBuilt for sharp, aggressive cornering on twisty tarmac and the occasional dirt shortcut, blending motocross-derived agility with street-legal usability.
Rider FitThe tall 870mm seat height and firm, focused ergonomics favor taller or more athletic riders who can manage its narrow, top-heavy stance at low speeds.
CharacterExpect a raw, punchy, vibration-rich single-cylinder character with instant throttle response and razor-sharp handling rather than smooth refinement.
Not Ideal ForThis is not the right bike for riders seeking long-distance comfort, passenger carrying, or a relaxed, low-maintenance ride.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2003 Husaberg FS 400 E Rider Ergonomics Assessment

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Feet:

At 870mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2003 Husaberg FS 400 E, with a relaxed knee angle of around 140 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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