KTM 450 SX-F - 2021 Specifications and Reviews
The 2021 KTM 450 SX-F is a competitive four-stroke motocross bike designed for experienced riders seeking reliable performance in professional and amateur racing environments. Known for its potent 63 horsepower single-cylinder engine and precise Brembo hydraulic braking, it delivers strong acceleration and excellent handling on both tracks and natural terrain. This machine excels in high-speed racing applications where power delivery and durability are paramount.
General information | |
| Category | Cross / motocross |
| Year | 2021 |
| Model | KTM 450 SX-F |
Engine and Transmission Specifications | |
| Driveline | 5/8 x 1/4 |
| Clutch | Wet, DDS multi-disc clutch, Brembo hydraulics |
| Transmission type | Chain (final drive) |
| Gearbox | 4-speed |
| Cooling system | Liquid |
| Ignition | Keihin EMS |
| Fuel control | Single Overhead Cams (SOHC) |
| Fuel system | Injection |
| 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: | 449.3 ccm (27.42 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | CNC machined hubs. Excel rims. Wire spoked. |
| Rear brakes | Single disc. Brake calipers on floating bearings |
| Diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc. Brake calipers on floating bearings |
| 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 | 25CrMo4 steel central-tube |
| | |
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 | 0.6300 HP/kg |
| Dry weight | 100.0 kg (220.5 pounds) |
Other specs | |
| Electrical | Lightweight 495 g lithium-ion starter battery |
| Starter | Electric |
| Color options | Orange/white/black |
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Rider Reviews
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MotorcycleDB Review
The 2021 KTM 450 SX-F is an impressive motorcycle that offers top-of-the-line performance and handling. With its powerful 450cc engine, this bike delivers robust acceleration and plenty of torque for tackling any terrain. The lightweight frame and superior suspension make for precise handling and control, while the ergonomically designed seat and controls enhance rider comfort. Whether you're hitting the motocross track or tearing up the trails, the 2021 KTM 450 SX-F is a top contender in the world of off-road motorcycles. Overall, the 2021 KTM 450 SX-F is a standout choice for riders looking for a high-performance off-road motorcycle. Its combination of power, agility, and rider-friendly features make it a top pick in its class. With KTM's reputation for quality and innovation, the 450 SX-F is a solid investment for anyone serious about off-road riding.Add a Comment
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