KTM 450 EXC Racing - 2003 Specifications and Reviews

The 2003 KTM 450 EXC Racing is a high-performance enduro motorcycle designed for experienced off-road riders seeking serious competition capability. Powered by a liquid-cooled 448cc four-stroke single with an aggressive 11.0:1 compression ratio, it delivers strong power delivery for technical terrain. Known for its lightweight construction, advanced WP suspension with generous travel, and reliability, the 450 EXC excels in cross-country racing and demanding trail riding.

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General information

CategoryEnduro / offroad
Year2003
ModelKTM 450 EXC Racing

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Fuel systemCarburettor
Bore x stroke89.0 x 72.0 mm (3.5 x 2.8 inches)
Compression11.0:1
Engine typeSingle cylinder, four-stroke
Capacity:447.92 ccm (27.33 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc
Rear tyre dimensions140/80-18
Front tyre dimensions90/90-21
Rear suspension travel335 mm (13.2 inches)
Rear suspensionWP-PDS-shock absorber
Front suspension travel300 mm (11.8 inches)
Front suspensionWP-USD 48 MA
 
 

Physical measures and capacities

Fuel capacity8.50 litres (2.25 gallons)
Wheelbase1,481 mm (58.3 inches)
Ground clearance385 mm (15.2 inches)
Seat height925 mm (36.4 inches) If adjustable, lowest setting.
Dry weight118.2 kg (260.6 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track30%
City20%
Cornering70%
Daily Riding20%
Touring20%
Passenger5%

Rider Profile

Best ForThis is a purebred competition enduro machine best suited to experienced off-road riders comfortable with a tall, aggressive, kick-start-only dirt bike.
PurposeBuilt for enduro racing and serious trail riding, not for road use or commuting.
Rider FitThe tall 925mm seat height, light 113.5kg dry weight, and physical demands of a full-size motocross-derived chassis require good rider fitness and reasonable leg length.
CharacterSharp, high-revving, and razor-focused, this bike rewards aggressive input with explosive agility and race-ready handling on rough terrain.
Not Ideal ForThis is not suited to riders wanting a comfortable daily commuter, a passenger-friendly bike, or a machine for long paved-road touring.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2003 KTM 450 EXC Racing Rider Ergonomics Assessment

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Feet:

At 925mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2003 KTM 450 EXC Racing, with a cramped knee angle of around 80 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2003 KTM 450 EXC Racing is a powerful and versatile off-road motorcycle that is perfect for adrenaline-seeking riders. With its robust 450cc engine and advanced suspension, this bike is capable of conquering challenging terrain with ease. The lightweight and agile design allows for effortless maneuverability, making it ideal for navigating through tight trails and rough landscapes. Whether you're a seasoned rider or a novice looking for a thrilling adventure, the KTM 450 EXC Racing is sure to deliver an exhilarating and reliable off-road experience. Overall, the 2003 KTM 450 EXC Racing is a top-notch off-road motorcycle that offers impressive performance and handling. Its advanced features and durable construction make it a standout choice for riders looking to push their limits and explore new trails. With its responsive throttle and exceptional suspension, this bike is ready to take on any off-road challenge with confidence and agility. If you're in the market for a high-performance off-road motorcycle, the KTM 450 EXC Racing should be at the top of your list.
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