Key performance
63 ch
Power
449 cc
Displacement
950 mm
Seat height
7.0 L
Fuel capacity
Compare the KTM 450 SX-F with: Choose a motorcycle →
Technical specifications
Changements 2011 → 2021
- Power
- — → 63.0 ch (46.0 kW)
- Compression ratio
- 12.5:1 → —
- Bore × stroke
- 97.0 x 60.8 mm (3.8 x 2.4 inches) → 95.0 x 63.4 mm (3.7 x 2.5 inches)
- Valves/cylinder
- 4 → —
- Fuel system
- Carburettor. Keihin FCR MX 41 → Injection
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC) → Single Overhead Cams (SOHC)
- Lubrication
- Pressure lubrication with 3 oil pumps → —
- Ignition
- — → Keihin EMS
- Frame
- Central double-cradle-type 25CrMo4. Aluminium subframe. → 25CrMo4 steel central-tube
- Gearbox
- 5-speed → 4-speed
- Clutch
- Wet mDouble disk clutch, operated hydraulically → Wet, DDS multi-disc clutch, Brembo hydraulics
- Front suspension
- WP-USD fork → WP XACT-USD, Ø 48 mm
- Rear suspension
- WP PDS shock absorber → WP XACT Monoshock with linkage
- Front wheel travel
- 300 mm (11.8 inches) → 310 mm (12.2 inches)
- Rear wheel travel
- 330 mm (13.0 inches) → 300 mm (11.8 inches)
- Front brakes
- Single disc → Single disc. Brake calipers on floating bearings
- Rear brakes
- Single disc → Single disc. Brake calipers on floating bearings
- Front tyre
- 80/100-21 → —
- Rear tyre
- 110/90-19 → —
- Seat height
- 992.00 mm → 950.00 mm
- Wheelbase
- 1495.00 mm → 1485.00 mm
- Ground clearance
- 371.00 mm → 370.00 mm
- Fuel capacity
- 7.50 L → 7.00 L
- Dry weight
- 106.90 kg → 100.00 kg
Engine
- Displacement
- 449 cc
- Power
- 63.0 ch (46.0 kW)
- Engine type
- Single cylinder, four-stroke
- Cooling
- Liquid
- Bore × stroke
- 95.0 x 63.4 mm (3.7 x 2.5 inches)
- Fuel system
- Injection
- Valve timing
- Single Overhead Cams (SOHC)
- Ignition
- Keihin EMS
- Starter
- Electric
Chassis
- Frame
- 25CrMo4 steel central-tube
- Gearbox
- 4-speed
- Final drive
- Chain (final drive)
- Clutch
- Wet, DDS multi-disc clutch, Brembo hydraulics
- Front suspension
- WP XACT-USD, Ø 48 mm
- Rear suspension
- WP XACT Monoshock with linkage
- Front wheel travel
- 310 mm (12.2 inches)
- Rear wheel travel
- 300 mm (11.8 inches)
Brakes
- Front brakes
- Single disc. Brake calipers on floating bearings
- Rear brakes
- Single disc. Brake calipers on floating bearings
Dimensions
- Seat height
- 950.00 mm
- Wheelbase
- 1485.00 mm
- Ground clearance
- 370.00 mm
- Fuel capacity
- 7.00 L
- Dry weight
- 100.00 kg
Indicators & positioning
Volumetric power
140.2 ch/L
In category Cross / motocross · 225-899cc displacement (384 motorcycles compared)
Power 63 ch Top 3%
17 ch median 47 ch 63 ch
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