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450 SX
449cc4-stroke1 cylLiquid-cooledKick start
About the 450 SX
KTM's RFS 450 motocrosser before the SX-F, a kick-start SOHC four-stroke for open-class racers.
- Family
- RFS 4-Strokes (400–525)
- Model years
- 2003 – 2006
Generations
2003 – 2006
450 SXRFS 449cc SOHC engine, kick start, 4-speed.
- Engine
- 449cc
- Cooling
- Liquid-cooled
- Starter
- Kick start
- Gearbox
- 4-speed
- Fuel
- Carburettor
Year specs
- Engine
- 449 cc
- Bore × stroke
- 95 × 63.4 mm
- Cooling
- Liquid-cooled
- Starter
- Kick start
- Gearbox
- 4-speed
- Fuel system
- Carburettor
- Horsepower
- 56.3 hp
- Torque
- —
- Dry weight
- 104.8 kg
- Wet weight
- —
- Seat height
- 925 mm
- Ground clearance
- 381 mm
- Wheelbase
- 1481 mm
- Fuel capacity
- 7 L
- MSRP
- $6,998
Horsepower as listed by motorcycle.com; the source does not say whether it is claimed or measured.
1 source
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