14 August. Friday 2026
Husqvarna FC 450 Rock Star - 2021 Specifications and Reviews
The 2021 Husqvarna FC 450 Rock Star is a competitive motocross machine designed for experienced riders seeking aggressive performance. Its 450cc four-stroke single-cylinder engine delivers 63 horsepower with responsive handling characteristics ideal for intermediate to advanced racers. Known for reliable power delivery and agile cornering, this bike excels in mixed terrain motocross competition.
2021
General information | |
| Category | Cross / motocross |
| Year | 2021 |
| Model | Husqvarna FC 450 Rock Star |
| | |
Engine and Transmission Specifications | |
| Driveline | 520 X-Ring chain |
| Clutch | Wet, DDS multi-disc clutch, Brembo hydraulics |
| Transmission type | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Ignition | Keihin EMS |
| Fuel control | Single Overhead Cams (SOHC) |
| Fuel system | Carburettor. 44mm Keihin |
| Bore x Stroke | 95.0 x 63.4 mm (3.7 x 2.5 inches) |
| Power | 63.0 HP (46.0 kW) |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 449.9 ccm (27.45 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Alloy rims by D.I.D. DUNLOP MX33 tyres. |
| Rear brakes | Single disc. Brembo single-piston floating calliper |
| Diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc. Brembo twin-piston floating calliper |
| Rear tire | 140/90-18 |
| Front tire | 90/90-21 |
| Rear wheel travel | 300 mm (11.8 inches) |
| Rear Suspension | WP XACT Monoshock with linkage |
| Front wheel travel | 310 mm (12.2 inches) |
| Front Suspension | WP XACT-USD, Ø 48 mm |
| Rake (fork angle) | 26.1° |
| Frame type | Chrome-moly tubular space frame, powder-coated |
Physical measures and capacities | |
| Fuel capacity | 7.00 litres (1.85 US gallons) |
| Wheelbase | 1485 mm (58.5 inches) |
| Ground clearance | 370 mm (14.6 inches) |
| Seat height | 950 mm (37.4 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.6238 HP/kg |
| Dry weight | 101.0 kg (222.7 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Engine mapping adjustments and suspension recommendations are enabled through a myHusqvarna app. |
| Electrical | Lightweight Li-Ion 2.0 Ah battery |
| Starter | Electric |
| Color options | White/yellow/wblue |
Performance Profile & Rider Fit
63 hp
Peak Power
Best For
Track75%
City10%
Cornering90%
Daily Riding8%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a purebred competition motocross machine best suited to experienced off-road or motocross riders, not beginners. |
| Purpose | Built exclusively for motocross track riding and serious off-road racing, not for street or commuting use. |
| Rider Fit | Its tall 950mm seat height, firm suspension, and lack of creature comforts demand good fitness, strong legs, and off-road riding skill. |
| Character | An explosive, featherweight, race-bred single that rewards aggressive riding with razor-sharp agility and immense power-to-weight punch. |
| Not Ideal For | Not suitable for daily commuting, touring, passengers, or riders wanting a comfortable, road-legal, low-maintenance bike. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2021 Husqvarna FC 450 Rock Star motorcycle is an impressive machine with top-notch performance and a stylish design. Featuring a powerful 450cc engine, this bike delivers strong acceleration and smooth power delivery, making it a fantastic choice for both track racing and off-road adventures. The Rock Star edition adds a unique and eye-catching look, with striking graphics and a sleek black and white color scheme. With responsive handling, premium suspension components, and advanced electronics, the FC 450 Rock Star offers a thrilling and confidence-inspiring ride experience. Overall, the 2021 Husqvarna FC 450 Rock Star is a top-tier motorcycle that excels in both performance and style. Whether you're a seasoned racer or a casual rider looking for an adrenaline-pumping ride, this bike delivers on all fronts. From its powerful engine to its high-quality components, the FC 450 Rock Star is a true standout in the competitive world of motocross and off-road bikes. If you're in the market for a reliable and stylish motorcycle, the 2021 Husqvarna FC 450 Rock Star is definitely worth considering.Add a Comment
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