The KTM 125 RS motorcycle specifications include a 124 cc (7.57 cu in) engine, a 6-speed gearbox, and a listed weight of 111 kg (244.7 lb).
Key specifications
Year-specific specification changes
How the KTM 125 RS compares
This compares the motorcycle with all KTM models in this specifications database. The blue marker is this model and the grey line is the KTM database average.
About 72% lower than the KTM database average. Around the 12th percentile across KTM models.
About 16% lighter than the KTM database average. Around the 29th percentile across KTM models.
About 14% larger than the KTM database average. Around the 75th percentile across KTM models.
KTM database percentile rankings
Percentiles show where this motorcycle sits across the KTM specifications database. They are descriptive database rankings, not performance ratings.
124 cc — larger displacement than about 12% of KTM models.
111 kg — heavier than about 29% of KTM models, or lighter than about 71%.
12 L — larger than about 75% of KTM fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 2.75-17 |
|---|---|
| Rear tire size | 3.00-17 |
| Bore/stroke ratio | 1.00:1 (Square) |
Model information
| Category | Enduro / offroad |
|---|
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 124 cc (7.57 cu in) |
| Bore × stroke | 54.0 x 54 mm (2.1 x 2.1 inches) |
| Compression ratio | 11.8:1 |
| Cooling system | Air |
| Fuel control | Port control |
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 | 2.75-17 |
| Rear tire | 3.00-17 |
Dimensions and weight
| Wet weight | 111 kg (244.7 lb) |
|---|
Fuel and emissions
| Fuel capacity | 12.00 L (3.17 US gal) |
|---|
Performance
| Top speed | 120.0 km/h (74.6 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 KTM models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official KTM information before relying on them. Visit the official KTM website.