Key performance
449 cc
Displacement
985 mm
Seat height
8.0 L
Fuel capacity
Compare the KTM 450 SX-F with: Choose a motorcycle →
Technical specifications
Changements 2010 → 2009
- Power
- 53.0 ch @ 8300 tr/min (38.7 kW) → —
- Fuel system
- Carburettor. Keihin FCR MX 41 → Carburettor. Keihin MX FCR 41
- Lubrication
- Pressure lubrication with 3 oil pumps → Pressure lubrication
- Ignition
- Kokusan → Kokusan digital DC-CDI
- Frame
- Central double-cradle-type 25CrMo4 → Central double-cradle-type 25 CrMo4. Aluminium subframe.
- Gearbox
- 5-speed → 4-speed
- Clutch
- Wet mDouble disk clutch, operated hydraulically → Wet multi-disc clutch, operated hydraulically
- Front suspension
- WP-USD fork → WP USD
Engine
- Displacement
- 449 cc
- Engine type
- Single cylinder, four-stroke
- Cooling
- Liquid
- Compression ratio
- 12.5:1
- Bore × stroke
- 97.0 x 60.8 mm (3.8 x 2.4 inches)
- Valves/cylinder
- 4
- Fuel system
- Carburettor. Keihin MX FCR 41
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC)
- Lubrication
- Pressure lubrication
- Ignition
- Kokusan digital DC-CDI
- Starter
- Electric
Chassis
- Frame
- Central double-cradle-type 25 CrMo4. Aluminium subframe.
- Gearbox
- 4-speed
- Final drive
- Chain (final drive)
- Clutch
- Wet multi-disc clutch, operated hydraulically
- Front suspension
- WP USD
- Rear suspension
- WP PDS shock absorber
- Front wheel travel
- 300 mm (11.8 inches)
- Rear wheel travel
- 335 mm (13.2 inches)
Brakes
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 80/100-21
- Rear tyre
- 110/90-19
Dimensions
- Seat height
- 985.00 mm
- Wheelbase
- 1475.00 mm
- Ground clearance
- 380.00 mm
- Fuel capacity
- 8.00 L
- Dry weight
- 104.60 kg
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