04 June. Thursday 2026
KTM 450 SX-F - 2011 Specifications and Reviews
The 2011 KTM 450 SX-F is a competition-focused four-stroke dirt bike designed for experienced enduro and motocross riders seeking maximum power and performance. Its liquid-cooled 449cc single-cylinder engine delivers aggressive throttle response and high RPM capability, while the five-speed transmission and hydraulic clutch provide precise control in demanding terrain. Known for its lightweight frame and potent power delivery, the 450 SX-F remains a top choice for professional and amateur racers competing at the highest levels.
General information | |
| Category | Enduro / offroad |
| Year | 2011 |
| Model | KTM 450 SX-F |
| | |
Engine and Transmission Specifications | |
| Exhaust system | Aluminium |
| Clutch | Wet mDouble disk clutch, operated hydraulically |
| Transmission type,final drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Lubrication system | Pressure lubrication with 3 oil pumps |
| Fuel control | DOHC |
| Fuel system | Carburettor. Keihin FCR MX 41 |
| Valves per cylinder | 4 |
| Bore x stroke | 97.0 x 60.8 mm (3.8 x 2.4 inches) |
| Compression | 12.5:1 |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 449.30 ccm (27.42 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 110/90-19 |
| Front tyre dimensions | 80/100-21 |
| Rear suspension travel | 330 mm (13.0 inches) |
| Rear suspension | WP PDS shock absorber |
| Front suspension travel | 300 mm (11.8 inches) |
| Front suspension | WP-USD fork |
| Rake (fork angle) | 26.5° |
| Frame type | Central double-cradle-type 25CrMo4. Aluminium subframe. |
Physical measures and capacities | |
| Fuel capacity | 7.50 litres (1.98 gallons) |
| Wheelbase | 1,495 mm (58.9 inches) |
| Ground clearance | 371 mm (14.6 inches) |
| Seat height | 992 mm (39.1 inches) If adjustable, lowest setting. |
| Dry weight | 106.9 kg (235.7 pounds) |
| | |
Other specs | |
| Comments | With reverse. German brand. |
| Wheelbase | 960 mm (37.8 inches) |
| Overall width | 960 mm (37.8 inches) |
| Overall length | 1,400 mm (55.1 inches) |
| Weight incl. oil, gas, etc | 104.0 kg (229.3 pounds) |
| Rear tyre | 19/7-8 |
| Front tyre | 19/7-8 |
| Rear Suspension | Hydraulic shock absorbers (adjustable) |
| Front Suspension | Telescopic fork |
| Emission details | Euro 2 |
| Driveline | CVT with rear gear |
| Power | 5.00 Horsepower">HP (3.6 Kilowatt">kW)) @ 6800 Revolutions">RPM |
| Capacity: | 49.00 ccm (2.99 cubic inches) |
| Model | Kreidler Mustang 50 DD |
| Color options | Orange |
| Electrical | 12V 3 Ah battery |
| Starter | Electric |
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