KTM 250 SX - 2004 Specifications and Reviews

The 2004 KTM 250 SX is a lightweight motocross bike designed for intermediate and amateur riders seeking competitive performance on the track. Its liquid-cooled single-cylinder engine delivers responsive power delivery ideal for racing, while the compact 97.7 kg chassis provides excellent maneuverability and control. Known for its reliability and sharp handling characteristics, the 250 SX remains a popular choice in the 250cc motocross class.

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General information

CategoryCross / motocross
Year2004
ModelKTM 250 SX

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox5-speed
Cooling systemLiquid
Fuel systemCarburettor
Bore x stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Stroke2
Engine typeSingle cylinder
Capacity:249.00 ccm (15.19 cubic inches)

Physical measures and capacities

Wheelbase1,475 mm (58.1 inches)
Ground clearance385 mm (15.2 inches)
Alternate seat height675 mm (26.6 inches) If adjustable, highest setting.
Seat height925 mm (36.4 inches) If adjustable, lowest setting.
Dry weight97.7 kg (215.4 pounds)
 
 

KTM 250 SX dimensions and frame

Rear brakes diameter260 mm (10.2 inches)
Rear brakesSingle disc
Front brakes diameter216 mm (8.5 inches)
Front brakesSingle disc
Rear suspensionWP-PDS-DA shock absorber
Front suspensionWP-USD 48/26 MA/PA
Trail63 mm (2.5 inches)
Rake (fork angle)24.0°
Frame typeChromium molybdenum
 
 

Speed and acceleration

Fuel capacity7.50 litres (1.98 gallons)

Other specs

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

Performance Profile & Rider Fit

Best For

Track85%
City5%
Cornering90%
Daily Riding5%
Touring8%
Passenger0%

Rider Profile

Best ForThis is a full-blooded competition motocrosser best suited to experienced or intermediate off-road riders comfortable with a peaky 2-stroke powerband.
PurposeBuilt purely for motocross track riding and racing, not for street use or general transportation.
Rider FitThe tall 958 mm seat height, aggressive ergonomics, and physical demands of a light 2-stroke race bike require good rider fitness and reasonable inseam length.
CharacterSharp, explosive, and razor-agile, this bike rewards aggressive riding and precise throttle control with rapid acceleration bursts and flickable handling.
Not Ideal ForThis is not suitable for commuting, touring, carrying passengers, or riders seeking a comfortable, low-maintenance everyday motorcycle.

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

Rider Fit Visualizer

2004 KTM 250 SX 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 2004 KTM 250 SX, 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 2004 KTM 250 SX is a powerful and reliable off-road motorcycle that offers impressive performance and handling. Its 250cc engine provides ample power for tackling various terrains, while its lightweight and nimble design make it easy to maneuver. The bike's high-quality suspension system and responsive brakes further enhance its performance, ensuring a smooth and exhilarating ride. Riders can expect a thrilling and enjoyable experience on the 2004 KTM 250 SX, thanks to its excellent power delivery and precise handling. Its durable construction and robust components also make it a dependable choice for off-road enthusiasts. Overall, the 2004 KTM 250 SX is a top contender in the competitive off-road motorcycle market, offering a great combination of power, agility, and reliability.
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