Motocross Bikes
2025Husqvarna FC450
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The 2025 Husqvarna FC 450 is a competitive motocross machine designed for intermediate to advanced riders seeking a balance of power and handling. Its 449cc liquid-cooled four-stroke engine delivers 63 horsepower with advanced Keihin fuel injection, making it ideal for off-road racing and technical trail riding.
- Capacity
- 449.9 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 103.3 kg
- Seat height
- 946 mm
- Power
- 63.0 HP (46.0 kW)
What’s new for the 2025 Husqvarna FC450
vs the 2024| Spec | 2024 | 2025 |
|---|---|---|
| Power | 63.0 HP (47.0 kW) | 63.0 HP (46.0 kW) |
| Torque | 46.0 Nm (4.7 kgf-m or 33.9 ft.lbs) @ 7200 RPM | 44.3 Nm (4.5 kgf-m or 32.7 ft.lbs) @ 7000 RPM |
| Front suspension | WP USD Ø 48 mm 4CS closed cartridge | WP XACT-USD, Ø 48 mm |
| Rear suspension | WP shock absorber with linkage | WP XACT Monoshock with linkage |
| Front brakes | Single disc. Four-pot brake caliper | Single disc. Brembo twin-piston floating calliper |
| Rear brakes | Single disc. One-pot brake caliper, floating disc | Single disc. Brembo single-piston floating calliper |
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
- 44.3 Nm (4.5 kgf-m) @ 7000 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.6099 HP/kg (dry)
- Bore x stroke
- 95.0 x 63.4 mm
- Compression
- 13.6:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- Keihin EMS
- Lubrication system
- Forced oil lubrication with 2 Eaton pumps
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, DDS multi-disc clutch, Brembo hydraulics
Dimensions & weight
- Wheelbase
- 1490 mm
- Seat height
- 946 mm
- Dry weight
- 103.3 kg
- Fuel capacity
- 7.20 litres
- Ground clearance
- 336 mm
Chassis & suspension
- Frame
- Central double-cradle-type 25CrMo4 steel. Aluminum-reinforced polyamide subframe.
- Front suspension
- WP XACT-USD, Ø 48 mm
- Rear suspension
- WP XACT Monoshock with linkage
- Front wheel travel
- 305 mm
- Rear wheel travel
- 293 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
- 220 mm
- Front tyre
- 90/90-21
- Rear tyre
- 140/90-18
Other
- Color options
- White/yellow/blue
- 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 | 2025 | 2027 |
|---|---|---|---|---|---|---|
| Capacity | 449 cc | 449 cc | 450 cc | 450 cc | 450 cc | — |
| Dry weight | 108 kg | 101 kg | 101 kg | 103 kg | 103 kg | 103 kg |
| Seat height | 992 mm | 960 mm | 940 mm | 939 mm | 946 mm | 946 mm |
| Fuel capacity | 7.5 L | 7 L | 7 L | 7.2 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 2025 Husqvarna FC450 has a Capacity of 449.9 ccm (27.45 cubic inches).
What engine power does the Husqvarna FC450 have?
The 2025 Husqvarna FC450 has a Power of 63.0 HP (46.0 kW).
How many gears does the Husqvarna FC450 have?
The 2025 Husqvarna FC450 has a Gearbox of 5-speed.
What is the torque of the Husqvarna FC450?
The 2025 Husqvarna FC450 has a Torque of 44.3 Nm (4.5 kgf-m or 32.7 ft.lbs) @ 7000 RPM.
How much does the Husqvarna FC450 weigh?
The 2025 Husqvarna FC450 has a Dry weight of 103.3 kg (227.7 pounds).
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