Motocross Bikes
2004Kawasaki KX 125
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The 2004 Kawasaki KX 125 is a lightweight two-stroke enduro bike designed for intermediate to advanced off-road riders. Known for its agile handling and responsive power delivery, this 124cc machine excels in competitive motocross and trail riding. Its liquid-cooled engine and six-speed transmission provide excellent control across varied terrain.
- Capacity
- 124.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 87.0 kg
- Seat height
- 945 mm
- Power
- 41.0 HP (30.2 kW)
What’s new for the 2004 Kawasaki KX 125
vs the 2003| Spec | 2003 | 2004 |
|---|---|---|
| Power | 39.7 HP (29.2 kW) | 41.0 HP (30.2 kW) |
| Torque | — | 26.5 Nm (2.7 kgf-m or 19.5 ft.lbs) |
| Front suspension | — | Kayaba 48mm inverted telescopic |
| Rear suspension | — | UNI-TRAK® swingarm, single shock |
| Front brakes | Single disc | not listed |
| Rear brakes | Single disc | not listed |
| Compression | — | 11.1:1 |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely as a competition motocross machine for racing on dirt tracks, not as a street or all-purpose bike.
- Built for
- A raw, high-strung racing tool that rewards aggressive riding with sharp handling and explosive acceleration out of corners.
- Not ideal for
- Not suitable for commuting, touring, passengers, or riders seeking comfort, low seat height, or road-legal usability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 124.0 ccm
- Power
- 41.0 HP (30.2 kW)
- Torque
- 26.5 Nm (2.7 kgf-m)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.4713 HP/kg
- Bore x stroke
- 55.0 x 54.5 mm
- Compression
- 11.1:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- CDI
- Lubrication system
- Petrol Mix (32:1)
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1458 mm
- Overall length
- 2150 mm
- Overall width
- 828 mm
- Overall height
- 1240 mm
- Seat height
- 945 mm
- Dry weight
- 87.0 kg
- Fuel capacity
- 8.40 litres
- Ground clearance
- 340 mm
Chassis & suspension
- Frame
- Perimeter style, high-tensile steel with aluminum subframe
- Front suspension
- Kayaba 48mm inverted telescopic
- Rear suspension
- UNI-TRAK® swingarm, single shock
- Front wheel travel
- 305 mm
- Rear wheel travel
- 310 mm
- Rake (fork angle)
- 27.0°
- Trail
- 111 mm
Brakes & wheels
- Front brakes diameter
- 220 mm
- Rear brakes diameter
- 190 mm
- Front tyre
- 80/90-M21
- Rear tyre
- 100/90-M19
Other
- Color options
- Lime green
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 | 1990 | 1994 | 1998 | 2002 | 2004 | 2006 |
|---|---|---|---|---|---|---|
| Capacity | 124.00 ccm (7.57 cubic inches) | 124.00 ccm (7.57 cubic inches) | 124.00 ccm (7.57 cubic inches) | 124.00 ccm (7.57 cubic inches) | 124.00 ccm (7.57 cubic inches) | 124.00 ccm (7.57 cubic inches) |
| Dry weight | 86.5 kg (190.7 pounds) | 86.5 kg (190.7 pounds) | 86.5 kg (190.7 pounds) | 87.0 kg (191.8 pounds) | 87.0 kg (191.8 pounds) | 87.0 kg (191.8 pounds) |
| Seat height | — | — | — | — | — | 945 mm (37.2 inches) |
| Fuel capacity | 8.50 litres (2.25 gallons) | 8.50 litres (2.25 gallons) | 8.50 litres (2.25 gallons) | — | — | 8.20 litres (2.17 gallons) |
| Color options | — | — | — | — | Lime green | — |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Kawasaki KX 125?
The 2004 Kawasaki KX 125 has a Capacity of 124.0 ccm (7.57 cubic inches).
What engine power does the Kawasaki KX 125 have?
The 2004 Kawasaki KX 125 has a Power of 41.0 HP (30.2 kW).
How many gears does the Kawasaki KX 125 have?
The 2004 Kawasaki KX 125 has a Gearbox of 6-speed.
What is the torque of the Kawasaki KX 125?
The 2004 Kawasaki KX 125 has a Torque of 26.5 Nm (2.7 kgf-m or 19.5 ft.lbs).
How much does the Kawasaki KX 125 weigh?
The 2004 Kawasaki KX 125 has a Dry weight of 87.0 kg (191.8 pounds).
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