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2003 450 SX · Wiki | BlueMoto

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Model years KTM
Model years
KTM
450 SX
2003

2003 450 SX

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Facts

Model year

Generation: 2003–2006

Engine

Displacement: 449 cc
Bore: 95 mm
Stroke: 63.4 mm
Cooling: Liquid-cooled
Starter: Kick · from 2003–2006
Transmission: 4-speed
Fuel system: Carburettor

Chassis

Dry weight: 104.1 kg
Seat height: 925 mm
Wheelbase: 1,481 mm
Ground clearance: 380 mm
Fuel capacity: 7 L

Notes

Dry weight labelled 'without fluids'.

1 source

totalmotorcycle.com › 2003-ktm-SX450Racing

Imported 13 Oct 2026

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