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Enduro Bikes

2004KTM 450 MXC USA

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The 2004 KTM 450 MXC USA is a lightweight enduro motorcycle designed for serious off-road riders seeking aggressive trail performance. Its potent single-cylinder four-stroke engine delivers strong power delivery across varied terrain, while the compact 118.7 kg chassis enables nimble handling and easy maneuverability. Best known for combining race-derived technology with practical trail capability, it excels for experienced riders tackling demanding enduro courses and backcountry adventures.

Capacity
447.9 ccm
Engine
Single, four-stroke
Gearbox
6-speed
Dry weight
118.7 kg
Seat height
925 mm
Power
44.8 HP (33.0 kW)
⇄ Compare with another bike + Add to garage All model years
Other years 2004 2005

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 67Agility 91Comfort 35Off-road 96Touring 25Road manners 30
Off-road & trail96%
Cornering80%
City riding15%
Daily riding15%
Touring20%
Two-up5%
Track55%
Best for
Built for competitive cross-country and motocross-style off-road riding where light weight and explosive power matter most.
Built for
Raw, punchy, and purpose-built, this bike rewards an aggressive, momentum-driven riding style over rugged trails and tracks.
Not ideal for
This is not suited to a beginner, a commuter seeking comfort, or anyone wanting a passenger-friendly or long-distance touring machine.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 925mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2004 KTM 450 MXC USA, with a cramped knee angle of around 80 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

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Full specifications

Engine
Capacity
447.9 ccm
Power
44.8 HP (33.0 kW)
Engine type
Single, four-stroke
Power/weight ratio
0.3774 HP/kg (dry)
Bore x stroke
89.0 x 72.0 mm
Compression
11.0:1
Cooling system
Liquid
Fuel system
Carburettor
Starting
Electric & kick
Ignition
Kokusan digital 4K-3B
Valves per cylinder
4
Lubrication system
Mixture oil lubrication with 2 eaton pumps
Torque
Not on record - add it
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet multi-disc clutch, operated hydraulically
Dimensions & weight
Wheelbase
1481 mm
Overall width
450 mm
Seat height
925 mm
Dry weight
118.7 kg
Fuel capacity
14.00 litres
Ground clearance
385 mm
Chassis & suspension
Frame
Chromium molybdenum
Front suspension
WP-USD 48 MA
Rear suspension
WP-PDS-shock absorber
Rear wheel travel
335 mm
Rake (fork angle)
24.0°
Trail
112 mm
Brakes & wheels
Front brakes
Single disc
Front brakes diameter
216 mm
Rear brakes
Single disc
Rear brakes diameter
260 mm

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 20042005
Capacity 448 cc 448 cc
Dry weight 119 kg 112 kg
Seat height 925 mm 925 mm
Fuel capacity 14 L 13 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the KTM 450 MXC USA?

The 2004 KTM 450 MXC USA has a Capacity of 447.9 ccm (27.33 cubic inches).

What engine power does the KTM 450 MXC USA have?

The 2004 KTM 450 MXC USA has a Power of 44.8 HP (33.0 kW).

How many gears does the KTM 450 MXC USA have?

The 2004 KTM 450 MXC USA has a Gearbox of 6-speed.

How much does the KTM 450 MXC USA weigh?

The 2004 KTM 450 MXC USA has a Dry weight of 118.7 kg (261.7 pounds).

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