KTM 125 Sting (1997-99) vs Yamaha RD 125 (1977)
Comparison technical specifications
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| Make: | KTM | Yamaha |
| Model: | 125 Sting | RD 125 |
| Years: | 1997-99 | 1977 |
| Engine: | Single cylinder two stroke | Two stroke, parallel twin |
| Capacity: | 124.8 cc / 7.6 cu in | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 56 x 50.7 mm | 43 х 43 mm |
| Compression Ratio: | 6.8:1 | |
| Cooling System: | Liquid cooled | Air cooled |
| Starting: | Electric | Kick |
| Max Power: | 10.1 kW / 13.5 hp @ 8400 rpm | 17 hp / 12.4 kW @ 8500 rpm |
| Max Torque: | 13.1 Nm / 1.34 kgf-m / 9.7 ft-lb @ 7500 rpm | 1.3 kgf-m @ 8000 rpm |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | 43mm Upside down forks and shock | 28 mm telescopic forks |
| Rear Suspension: | Fully adjustable White Power mono-shock | Dual rear shock pre-load adjustable |
| Front Brakes: | Single 320 mm disc | Single240mm disc |
| Rear Brakes: | Single 220 mm disc | 130 mm Drum |
| Front Tyre: | 110/70-17 | 2.75-18 |
| Rear Tyre: | 130/70-17 | 3.00-18 |
| Fuel Capacity: | 8.5 L / 2.2 US gal / 1.9 Imp gal | 11.5 Litres / 3.04 US gal |