Enduro Bikes
2021Husqvarna FX 450
33 fields on record
The 2021 Husqvarna FX 450 is a versatile enduro machine designed for trail riders seeking a balanced blend of power and manageability. Its 449cc single-cylinder four-stroke engine delivers 63 horsepower with excellent low-to-mid range torque, making it ideal for technical terrain and long-distance off-road riding. Known for its responsive handling and reliable Keihin carburettor fuel system, the FX 450 excels in mixed conditions from rocky trails to sandy terrain.
- Capacity
- 449.9 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 101.3 kg
- Seat height
- 950 mm
- Power
- 63.0 HP (46.0 kW)
What’s new for the 2021 Husqvarna FX 450
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Front suspension | WP-USD, AER 48, Ø 48 mm | WP XACT-USD, Ø 48 mm |
| Rear suspension | WP shock absorber with linkage | WP XACT Monoshock with linkage |
| Front brakes | Single disc. Brembo twin-piston floating calliper, brake disc | Single disc |
| Rear brakes | Single disc. Brembo single-piston floating calliper, brake dis | Single disc |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a cross-country and enduro racing weapon, excelling at technical trails, tight singletrack, and rough terrain rather than road use.
- Built for
- A razor-sharp, high-revving, race-bred single that rewards aggressive input with explosive power and pinpoint agility.
- Not ideal for
- Not suitable for riders seeking a comfortable commuter, a passenger-friendly bike, or long paved-road touring.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 449.9 ccm
- Power
- 63.0 HP (46.0 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.6219 HP/kg (dry)
- Bore x stroke
- 95.0 x 63.4 mm
- Compression
- 11.8:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- Keihin EMS
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, DDS multi-disc clutch, Magura hydraulics
Dimensions & weight
- Wheelbase
- 1482 mm
- Seat height
- 950 mm
- Dry weight
- 101.3 kg
- Fuel capacity
- 8.50 litres
- Ground clearance
- 370 mm
Chassis & suspension
- Frame
- Central double-cradle-type 25CrMo4 steel
- Front suspension
- WP XACT-USD, Ø 48 mm
- Rear suspension
- WP XACT Monoshock with linkage
- Front wheel travel
- 310 mm
- Rear wheel travel
- 300 mm
- Rake (fork angle)
- 26.5°
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 260 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 90/90-21
- Rear tyre
- 140/80-18
Other
- Color options
- White/blue/yellow
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2017 | 2019 | 2021 | 2023 | 2027 |
|---|---|---|---|---|---|
| Capacity | 449 cc | 450 cc | 450 cc | 450 cc | 450 cc |
| Dry weight | 102 kg | 102 kg | 101 kg | 104 kg | 105 kg |
| Seat height | 970 mm | 950 mm | 950 mm | 948 mm | 954 mm |
| Fuel capacity | 8.5 L | 8.5 L | 8.5 L | 8.5 L | 8.5 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Husqvarna FX 450?
The 2021 Husqvarna FX 450 has a Capacity of 449.9 ccm (27.45 cubic inches).
What engine power does the Husqvarna FX 450 have?
The 2021 Husqvarna FX 450 has a Power of 63.0 HP (46.0 kW).
How many gears does the Husqvarna FX 450 have?
The 2021 Husqvarna FX 450 has a Gearbox of 5-speed.
How much does the Husqvarna FX 450 weigh?
The 2021 Husqvarna FX 450 has a Dry weight of 101.3 kg (223.3 pounds).
Shop this bike
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The 2021 Husqvarna FX 450 is a top-of-the-line off-road motorcycle that offers a winning combination of power, agility, and performance. With its 450cc engine, this bike delivers impressive power and torque, making it a force to be reckoned with on the trails. The FX 450 also features a lightweight chassis and top-of-the-line suspension components, allowing for excellent handling and control in a variety of off-road conditions. Whether you're racing through the woods or tearing up the desert, the Husqvarna FX 450 is up to the challenge.
Overall, the 2021 Husqvarna FX 450 is a standout choice for riders who demand the very best in off-road performance. Its powerful engine, top-notch suspension, and lightweight design make it a force to be reckoned with on the trails. If you're in the market for a high-performance off-road motorcycle, the Husqvarna FX 450 should be at the top of your list.
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