Husqvarna FX 350 - 2021 Specifications and Reviews

The 2021 Husqvarna FX 350 is a lightweight enduro motorcycle designed for riders seeking a versatile off-road platform with genuine trail capability. Powered by a 349cc liquid-cooled single-cylinder four-stroke engine producing 58 horsepower, it delivers responsive performance across varied terrain without excessive weight or complexity. The FX 350 is best suited for intermediate to advanced riders tackling cross-country riding, trail exploration, and competitive enduro events where agility and fuel efficiency are priorities.

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General information

CategoryEnduro / offroad
Year2021
ModelHusqvarna FX 350

Engine and Transmission Specifications

Driveline5/8 x 1/4´ chain
ClutchWet, DDS multi-disc clutch, Magura hydraulics
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
IgnitionKeihin EMS
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemCarburettor
Valves per Cylinder4
Bore x Stroke88.0 x 57.5 mm (3.5 x 2.3 inches)
Compression11.1:1
Power58.0 HP (42.3 kW)
Engine detailsPolished camshafts and DLC coated finger followers
Engine typeSingle cylinder, four-stroke
Capacity:349.7 ccm (21.34 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. Brembo single-piston floating calliper
Diameter260 mm (10.2 inches)
Front brakesSingle disc. Brembo twin-piston floating calliper
Rear tire140/80-18
Front tire90/90-21
Rear wheel travel300 mm (11.8 inches)
Rear SuspensionWP XACT Monoshock with linkage
Front wheel travel310 mm (12.2 inches)
Front SuspensionWP XACT-USD, Ø 48 mm
Rake (fork angle)26.1°
Frame typeCentral double-cradle-type 25CrMo4 steel
 
 

Physical measures and capacities

Fuel capacity8.50 litres (2.25 US gallons)
Wheelbase1482 mm (58.3 inches)
Ground clearance370 mm (14.6 inches)
Seat height950 mm (37.4 inches) If adjustable, lowest setting.
Power/weight ratio0.5771 HP/kg
Dry weight100.5 kg (221.6 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
ElectricalLightweight Li-Ion 2.0 Ah battery
StarterElectric
Color optionsWhite/blue/yellow

Performance Profile & Rider Fit

58 hp
Peak Power
3.8s
0-60 mph

Best For

Track45%
City25%
Cornering80%
Daily Riding20%
Touring20%
Passenger5%

Rider Profile

Best ForBest suited to intermediate and advanced off-road riders who can manage a light, powerful, high-strung enduro machine.
PurposeBuilt for competitive enduro and technical off-road riding rather than street commuting or long-distance touring.
Rider FitThe tall 954mm seat height and minimal, firm off-road-focused ergonomics demand good rider fitness, leg length, and standing-riding stamina.
CharacterA razor-sharp, lightweight dirt weapon with strong midrange power, premium WP suspension, and race-bred handling that rewards an aggressive, active riding style.
Not Ideal ForNot a good fit for new riders, daily commuters, or anyone wanting a comfortable passenger-friendly or highway-capable machine.

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

Rider Fit Visualizer

2021 Husqvarna FX 350 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 950mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2021 Husqvarna FX 350, with a cramped knee angle of around 85 degrees and an upright 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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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 Husqvarna FX 350 is an impressive off-road motorcycle that offers a winning combination of power and agility. With a 350cc engine, this bike delivers strong performance while remaining lightweight and easy to maneuver. The sleek design and high-quality components make the FX 350 a top choice for riders looking for a reliable and capable off-road machine. In addition to its impressive power and handling, the 2021 Husqvarna FX 350 also boasts advanced technology features such as electric start and a multi-function display. These modern amenities add convenience and functionality to the riding experience. Whether you're tackling rugged trails or competing in off-road races, the FX 350 is a versatile and well-rounded motorcycle that is sure to impress. If you're in the market for a high-performance off-road bike, the 2021 Husqvarna FX 350 is definitely worth considering.
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