Motocross Bikes
2009Kawasaki KX125
35 fields on record
The 2009 Kawasaki KX125 is a lightweight 2-stroke motocross bike designed for amateur and intermediate riders. Known for its agile handling and responsive power delivery, the 124cc single-cylinder engine delivers spirited performance in a nimble package. Its approachable character and relatively low weight make it ideal for developing riding skills on the track.
- Capacity
- 124.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Wet weight
- 87.0 kg
- Seat height
- 945 mm
- Power
- 15.0 HP (11.0 kW)
What’s new for the 2009 Kawasaki KX125
vs the 2008| Spec | 2008 | 2009 |
|---|---|---|
| Front suspension | 48 mm upside-down cartridge-type telescopic fork with 16-way compression and 16-way rebound damping | 36mm inverted telescopic cartridge fork with 18-way compression damping / 10.8 in. |
| Rear suspension | New Uni-Trak with adjustable preload, 16-way compression and 16-way rebound damping | UNI-TRAK® single shock system with 4-way compression and 18-way rebound damping plus adjustable spring preload / 10.8 in. |
| Compression | 10.9:1 | 9.1:1 |
Other years
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How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for closed-course motocross racing and track riding, not for any form of street or commuter use.
- Built for
- A light, explosive, high-revving two-stroke that rewards aggressive riding, precise clutch work, and confident throttle control with razor-sharp handling and rapid direction changes.
- Not ideal for
- This is not a bike for beginners, commuters, passengers, or anyone wanting comfort, storage, lights, or road-legal touring capability.
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 usEngine
- Capacity
- 124.0 ccm
- Power
- 15.0 HP (11.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1724 HP/kg (wet)
- Bore x stroke
- 54.0 x 54.5 mm
- Compression
- 9.1:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- CDI
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
Chassis & suspension
- Frame
- High-tensile steel perimeter design with subframe member
- Front suspension
- 36mm inverted telescopic cartridge fork with 18-way compression damping / 10.8 in.
- Rear suspension
- UNI-TRAK® single shock system with 4-way compression and 18-way rebound damping plus adjustable spring preload / 10.8 in.
- Front wheel travel
- 300 mm
- Rear wheel travel
- 310 mm
- Rake (fork angle)
- 27.0°
- Trail
- 113 mm
Brakes & wheels
- Front brakes
- Single disc. Two-piston calipers
- Front brakes diameter
- 250 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 240 mm
- Front tyre
- 80/100-21
- Rear tyre
- 100/90-19
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 | 1995 | 2000 | 2004 | 2009 |
|---|---|---|---|---|---|
| Capacity | 124 cc | 124 cc | 124 cc | 124 cc | 124 cc |
| Dry weight | 87 kg | 87 kg | 87 kg | 87 kg | — |
| Seat height | 945 mm | 945 mm | 945 mm | 945 mm | 945 mm |
| Fuel capacity | 8.5 L | 8.5 L | 8.5 L | 8.4 L | 8.2 L |
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 KX125?
The 2009 Kawasaki KX125 has a Capacity of 124.0 ccm (7.57 cubic inches).
What engine power does the Kawasaki KX125 have?
The 2009 Kawasaki KX125 has a Power of 15.0 HP (11.0 kW).
How many gears does the Kawasaki KX125 have?
The 2009 Kawasaki KX125 has a Gearbox of 6-speed.
How much does the Kawasaki KX125 weigh?
The 2009 Kawasaki KX125 has a Wet weight of 87.0 kg (191.8 pounds).
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