The Honda CB 125 S (J) motorcycle specifications include a 124 cc (7.57 cu in) engine, a 5-speed gearbox, and a listed weight of 105 kg (231.5 lb).
Key specifications
Year-specific specification changes
How the Honda CB 125 S (J) compares
This compares the motorcycle with all Honda models in this specifications database. The blue marker is this model and the grey line is the Honda database average.
About 78% lower than the Honda database average. Around the 12th percentile across Honda models.
About 47% lighter than the Honda database average. Around the 11th percentile across Honda models.
About 30% smaller than the Honda database average. Around the 29th percentile across Honda models.
Honda database percentile rankings
Percentiles show where this motorcycle sits across the Honda specifications database. They are descriptive database rankings, not performance ratings.
124 cc — larger displacement than about 12% of Honda models.
105 kg — heavier than about 11% of Honda models, or lighter than about 89%.
9.5 L — larger than about 29% of Honda fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 2.75-18 |
|---|---|
| Rear tire size | 3.00-17 |
| Bore/stroke ratio | 1.14:1 (Oversquare) |
Model information
| Category | Allround |
|---|
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 124 cc (7.57 cu in) |
| Bore × stroke | 56.5 x 49.5 mm (2.2 x 1.9 inches) |
| Compression ratio | 9.4:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel control | Overhead Cams (OHC) |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Expanding brake |
| Front tire | 2.75-18 |
| Rear tire | 3.00-17 |
Dimensions and weight
| Wet weight | 105 kg (231.5 lb) |
|---|
Fuel and emissions
| Fuel capacity | 9.50 L (2.51 US gal) |
|---|
Performance
| Top speed | 116.0 km/h (72.1 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 Honda models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Honda information before relying on them. Visit the official Honda website.