Motocross Bikes
2021Husqvarna FC 450 Rockstar Edition
32 fields on record
The 2021 Husqvarna FC 450 Rockstar Edition is a race-ready motocross bike with upgraded parts and factory team graphics. Its liquid-cooled 449.9cc four-stroke single makes 63 hp through a five-speed gearbox and chain. A 950 mm seat, 101 kg dry weight and 7-litre tank suit the premier 450 class.
- 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)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for motocross competition and serious off-road riding, not for general transportation.
- Built for
- A razor-sharp, high-revving competition weapon that rewards aggressive, committed riding with explosive power-to-weight performance.
- Not ideal for
- This is not a suitable choice for beginners, commuters, passengers, or anyone seeking comfort on paved roads.
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
- 0.6238 HP/kg (dry)
- Bore x stroke
- 95.0 x 63.4 mm
- 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
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 | 2018 | 2020 | 2021 | 2023 | 2024 |
|---|---|---|---|---|---|
| Capacity | 449 cc | 450 cc | 450 cc | 450 cc | 450 cc |
| Dry weight | 101 kg | 101 kg | 101 kg | 101 kg | 103 kg |
| Seat height | 960 mm | 950 mm | 950 mm | 950 mm | 953 mm |
| Fuel capacity | 7 L | 7 L | 7 L | 7 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 FC 450 Rockstar Edition?
The 2021 Husqvarna FC 450 Rockstar Edition has a Capacity of 449.9 ccm (27.45 cubic inches).
What engine power does the Husqvarna FC 450 Rockstar Edition have?
The 2021 Husqvarna FC 450 Rockstar Edition has a Power of 63.0 HP (46.0 kW).
How many gears does the Husqvarna FC 450 Rockstar Edition have?
The 2021 Husqvarna FC 450 Rockstar Edition has a Gearbox of 5-speed.
How much does the Husqvarna FC 450 Rockstar Edition weigh?
The 2021 Husqvarna FC 450 Rockstar Edition has a Dry weight of 101.0 kg (222.7 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
Please log in or register if you'd like to leave a comment.
Own one? Add it to My Garage and write an owner review with an Owner badge.