What category is the 2003 KTM 450 SX Racing?

The 2003 KTM 450 SX Racing has a Category of Cross / motocross.

What is the engine size of the 2003 KTM 450 SX Racing?

The 2003 KTM 450 SX Racing has a Capacity: of 449.39 ccm (27.42 cubic inches).

What type of engine does the 2003 KTM 450 SX Racing have?

The 2003 KTM 450 SX Racing has a Engine type of Single cylinder.

Is the 2003 KTM 450 SX Racing air cooled or liquid cooled?

The 2003 KTM 450 SX Racing has a Cooling system of Liquid.

How many gears does the 2003 KTM 450 SX Racing have?

The 2003 KTM 450 SX Racing has a Gearbox of 4-speed.

How much does the 2003 KTM 450 SX Racing weigh?

The 2003 KTM 450 SX Racing has a Dry weight of 104.1 kg (229.5 pounds).

What is the seat height of the 2003 KTM 450 SX Racing?

The 2003 KTM 450 SX Racing has a Seat height of 925 mm (36.4 inches) If adjustable, lowest setting..

KTM 450 SX Racing - 2003 Specifications and Reviews

Name: 2003 KTM 450 SX Racing
Brand: KTM

The 2003 KTM 450 SX Racing is a lightweight motocross machine designed for competitive riders seeking aggressive off-road performance. Powered by a liquid-cooled 449cc single-cylinder engine, it delivers potent power delivery in a nimble package weighing just 104 kg. Known for exceptional handling and reliability in racing conditions, this bike excels on technical terrain for intermediate to advanced motocross competitors.

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General information
Category	Cross / motocross
Year	2003
Model	KTM 450 SX Racing

Engine and Transmission Specifications
Transmission typefinal drive	Chain
Gearbox	4-speed
Cooling system	Liquid
Fuel system	Carburettor
Bore x stroke	95.0 x 63.4 mm (3.7 x 2.5 inches)
Stroke	4
Engine type	Single cylinder
Capacity:	449.39 ccm (27.42 cubic inches)

Physical measures and capacities
Wheelbase	1,481 mm (58.3 inches)
Ground clearance	380 mm (15.0 inches)
Seat height	925 mm (36.4 inches) If adjustable, lowest setting.
Dry weight	104.1 kg (229.5 pounds)
KTM 450 SX Racing dimensions and frame
Rear brakes diameter	220 mm (8.7 inches)
Rear brakes	Single disc
Front brakes diameter	260 mm (10.2 inches)
Front brakes	Single disc
Rear tyre dimensions	110/90-19
Front tyre dimensions	80/100-21
Rear suspension travel	335 mm (13.2 inches)
Front suspension travel	300 mm (11.8 inches)
Speed and acceleration
Fuel capacity	7.00 litres (1.85 gallons)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track60%

City10%

Cornering85%

Daily Riding10%

Touring8%

Passenger5%

Rider Profile

Best For	This is a full-blooded, race-ready motocross machine intended for experienced off-road and moto riders, not beginners.
Purpose	Built purely for motocross competition and aggressive off-road riding, not for street use or commuting.
Rider Fit	The tall 925mm seat height, minimal weight, and kick-start-only setup demand a fit, confident rider comfortable throwing their body weight around on rough terrain.
Character	Light, razor-sharp, and explosive, this bike rewards aggressive inputs with incredible agility and jump-to-jump responsiveness on the track.
Not Ideal For	This is not suited for daily commuting, long-distance touring, passengers, or riders seeking a comfortable, low-maintenance street bike.

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

Rider Fit Visualizer

2003 KTM 450 SX 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 SX 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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