The Kawasaki KMX 125 (reduced effect) motorcycle specifications include a 125 cc (7.63 cu in) engine, power of 17 hp (12.4 kW) @ 8,500 rpm, a 6-speed gearbox, and a listed weight of 118 kg (260.1 lb).
Key specifications
How the Kawasaki KMX 125 (reduced effect) compares
This compares the motorcycle with all Kawasaki models in this specifications database. The blue marker is this model and the grey line is the Kawasaki database average.
About 77% lower than the Kawasaki database average. Around the 9th percentile across Kawasaki models.
About 82% lower than the Kawasaki database average. Around the 11th percentile across Kawasaki models.
About 43% lighter than the Kawasaki database average. Around the 15th percentile across Kawasaki models.
About 41% smaller than the Kawasaki database average. Around the 19th percentile across Kawasaki models.
Kawasaki database percentile rankings
Percentiles show where this motorcycle sits across the Kawasaki specifications database. They are descriptive database rankings, not performance ratings.
17 hp — more powerful than about 9% of Kawasaki models with power data.
125 cc — larger displacement than about 11% of Kawasaki models.
118 kg — heavier than about 15% of Kawasaki models, or lighter than about 85%.
9 L — larger than about 19% of Kawasaki fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 2.75-21 |
|---|---|
| Rear tire size | 4.10-18 |
| Power-to-weight ratio | 0.144 hp/kg |
| Power-to-weight | 144.1 hp/tonne |
| Specific power | 136.0 hp/L |
| Bore/stroke ratio | 0.99:1 (Square) |
Model information
| Year released | 1988 |
|---|---|
| Category | Enduro / offroad |
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 125 cc (7.63 cu in) |
| Power | 17 hp (12.4 kW) @ 8,500 rpm |
| Bore × stroke | 54.0 x 54.4 mm (2.1 x 2.1 inches) |
| Compression ratio | 7.8:1 |
| Cooling system | Liquid |
| Fuel control | Membrane & variable discharge openings |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 2.75-21 |
| Rear tire | 4.10-18 |
Dimensions and weight
| Wet weight | 118 kg (260.1 lb) |
|---|
Fuel and emissions
| Fuel capacity | 9.00 L (2.38 US gal) |
|---|
Performance
| Top speed | 107.0 km/h (66.5 mph) |
|---|
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Kawasaki models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Kawasaki information before relying on them. Visit the official Kawasaki website.