Motocross Bikes
2020Husqvarna FC450
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The 2020 Husqvarna FC450 is a top-level 450cc motocross race bike. Its liquid-cooled 449.9cc single makes 63 hp through a five-speed gearbox and chain. A tall 950 mm seat, 101 kg dry weight and 7-litre tank show its focus on the track rather than the road.
- Capacity
- 449.9 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 101.0 kg
- Seat height
- 950 mm
- Power
- 63.0 HP (46.0 kW)
What’s new for the 2020 Husqvarna FC450
vs the 2019| Spec | 2019 | 2020 |
|---|---|---|
| Torque | 44.8 Nm (4.6 kgf-m or 33.0 ft.lbs) @ 6880 RPM | 45.0 Nm (4.6 kgf-m or 33.2 ft.lbs) @ 6800 RPM |
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
- 45.0 Nm (4.6 kgf-m) @ 6800 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.6238 HP/kg (dry)
- Bore x stroke
- 95.0 x 63.4 mm
- Compression
- 13.6:1
- 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
- 950 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-USD, AER 48, Ø 48 mm
- Rear suspension
- WP shock absorber with linkage
- Front wheel travel
- 310 mm
- Rear wheel travel
- 300 mm
- Rake (fork angle)
- 26.5°
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 | 2020 | 2021 | 2024 | 2027 |
|---|---|---|---|---|---|---|
| Capacity | 449 cc | 449 cc | 450 cc | 450 cc | 450 cc | — |
| Dry weight | 108 kg | 101 kg | 101 kg | 101 kg | 103 kg | 103 kg |
| Seat height | 992 mm | 960 mm | 950 mm | 940 mm | 939 mm | 946 mm |
| Fuel capacity | 7.5 L | 7 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 2020 Husqvarna FC450 has a Capacity of 449.9 ccm (27.45 cubic inches).
What engine power does the Husqvarna FC450 have?
The 2020 Husqvarna FC450 has a Power of 63.0 HP (46.0 kW).
How many gears does the Husqvarna FC450 have?
The 2020 Husqvarna FC450 has a Gearbox of 5-speed.
What is the torque of the Husqvarna FC450?
The 2020 Husqvarna FC450 has a Torque of 45.0 Nm (4.6 kgf-m or 33.2 ft.lbs) @ 6800 RPM.
How much does the Husqvarna FC450 weigh?
The 2020 Husqvarna FC450 has a Dry weight of 101.0 kg (222.7 pounds).
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