The Yamaha SR 125 motorcycle specifications include a 125 cc (7.63 cu in) engine, power of 12 hp (8.8 kW) @ 8,500 rpm, a 5-speed gearbox, and a listed weight of 109 kg (240.3 lb).
Key specifications
The 1997 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Yamaha SR 125 compares
This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.
About 77% lower than the Yamaha database average. Around the 20th percentile across Yamaha models.
About 77% lower than the Yamaha database average. Around the 25th percentile across Yamaha models.
About 8% lower than the Yamaha database average. Around the 22nd percentile across Yamaha models.
Yamaha database percentile rankings
Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.
12 hp — more powerful than about 20% of Yamaha models with power data.
125 cc — larger displacement than about 25% of Yamaha models.
730 mm — taller than about 22% of Yamaha models.
Mechanical overview
Additional useful specifications
| Power-to-weight ratio | 0.110 hp/kg |
|---|---|
| Power-to-weight | 110.1 hp/tonne |
| Specific power | 96.0 hp/L |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 125 cc (7.63 cu in) |
| Power | 12 hp (8.8 kW) @ 8,500 rpm |
| Torque | 10.0 Nm (1.0 kgf-m or 7.4 ft.lbs) @ 8,000 rpm |
| Cooling system | Air |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|
Dimensions and weight
| Dry weight | 109 kg (240.3 lb) |
|---|---|
| Seat height | 730 mm (28.7 inches) |
Performance
| Power/weight ratio | 0.1101 hp/kg |
|---|
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 Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.