Motocross Bikes
2021Husqvarna FC450
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The 2021 Husqvarna FC 450 is a competitive motocross machine designed for intermediate to advanced riders seeking a lightweight, powerful 450cc four-stroke. Known for its responsive handling and aggressive performance characteristics, it excels in off-road racing environments. The bike combines a carbureted engine with modern suspension geometry to deliver reliable power delivery and precise control across varied terrain.
- Capacity
- 449.9 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 101.0 kg
- Seat height
- 940 mm
- Power
- 63.0 HP (46.0 kW)
What’s new for the 2021 Husqvarna FC450
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Torque | 45.0 Nm (4.6 kgf-m or 33.2 ft.lbs) @ 6800 RPM | 46.9 Nm (4.8 kgf-m or 34.6 ft.lbs) @ 7400 RPM |
| Seat height | 950 mm (37.4 inches) | 940 mm (37.0 inches) |
| 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 |
| Compression | 13.6:1 | 12.8:1 |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for motocross and off-road competition, excelling at jumps, berms, and rapid direction changes on dirt tracks.
- Built for
- A featherweight, high-revving single-cylinder racer that rewards aggressive throttle input and precise body positioning.
- Not ideal for
- Not suitable for commuting, highway travel, passengers, or riders seeking a comfortable, low-maintenance street bike.
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)
- Torque
- 46.9 Nm (4.8 kgf-m) @ 7400 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.6238 HP/kg (dry)
- Bore x stroke
- 95.0 x 63.4 mm
- Compression
- 12.8:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- Keihin EMS
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multi-disc clutch, Magura hydraulics
Dimensions & weight
- Wheelbase
- 1485 mm
- Seat height
- 940 mm
- Dry weight
- 101.0 kg
- Fuel capacity
- 7.00 litres
- Ground clearance
- 370 mm
Chassis & suspension
- Frame
- 25CrMo4 steel central-tube
- Front suspension
- WP XACT-USD, Ø 48 mm
- Rear suspension
- WP XACT Monoshock with linkage
- Front wheel travel
- 300 mm
- Rear wheel travel
- 300 mm
- Rake (fork angle)
- 26.1°
Brakes & wheels
- Front brakes
- Single disc. Brembo twin-piston floating calliper
- Front brakes diameter
- 260 mm
- Rear brakes
- Single disc. Brembo single-piston floating calliper
- Rear brakes diameter
- 200 mm
- Front tyre
- 90/90-21
- Rear tyre
- 140/90-18
Other
- Color options
- White/yellow/wblue
- Comments
- Torque is a rear-wheel dyno figure.
Specs last verified against published sources: .
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 | 2014 | 2017 | 2021 | 2024 | 2027 |
|---|---|---|---|---|---|
| Capacity | 449 cc | 449 cc | 450 cc | 450 cc | — |
| Dry weight | 108 kg | 101 kg | 101 kg | 103 kg | 103 kg |
| Seat height | 992 mm | 960 mm | 940 mm | 939 mm | 946 mm |
| Fuel capacity | 7.5 L | 7 L | 7 L | 7.2 L | 7.2 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 FC450?
The 2021 Husqvarna FC450 has a Capacity of 449.9 ccm (27.45 cubic inches).
What engine power does the Husqvarna FC450 have?
The 2021 Husqvarna FC450 has a Power of 63.0 HP (46.0 kW).
How many gears does the Husqvarna FC450 have?
The 2021 Husqvarna FC450 has a Gearbox of 5-speed.
What is the torque of the Husqvarna FC450?
The 2021 Husqvarna FC450 has a Torque of 46.9 Nm (4.8 kgf-m or 34.6 ft.lbs) @ 7400 RPM.
How much does the Husqvarna FC450 weigh?
The 2021 Husqvarna FC450 has a Dry weight of 101.0 kg (222.7 pounds).
Shop this bike
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The 2021 Husqvarna FC 450 is an impressive off-road motorcycle that offers top-notch performance and handling. With its powerful 450cc engine and advanced suspension system, this bike excels in both speed and agility. The sleek and modern design of the FC 450 not only looks stylish but also contributes to its overall performance on the trail. Whether you're hitting the motocross track or tackling rugged terrain, this bike is sure to impress with its power and precision.
In addition to its impressive performance, the 2021 Husqvarna FC 450 also offers a range of cutting-edge features such as electric start and traction control. These features add convenience and control to the riding experience, making it easier to handle the bike in any situation. Overall, the 2021 Husqvarna FC 450 is a standout choice for riders who demand top-tier performance and reliability in their off-road adventures.
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