Derbi GPR 125 (2005-06) vs Yamaha XJ6 (2009-10)
Comparison technical specifications
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| Make: | Derbi | Yamaha |
| Model: | GPR 125 | XJ6 |
| Years: | 2005-06 | 2009-10 |
| Engine: | Two stroke, single cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 124.7 cc / 7.6 cu-in | 600 cc / 36.6 cu-in |
| Bore x Stroke: | 56 x 50 mm | 65.5 x 44.5 mm |
| Cooling System: | Liquid cooled | Liquid cooled |
| Compression Ratio: | 12.5:1 | 12.2:1 |
| Induction: | 28mm Mikuni | Group injection type fuel injection |
| Ignition: | Electronic CDI | TCI |
| Starting: | Electric | Electric |
| Max Power: | 11 kW 15 hp @ 8250 rpm | 78 hp / 57 kW @ 10000 rpm |
| Max Torque: | 13.5 Nm @ 77500 rpm | 59.7 Nm / 6.1 kgf-m @ 8500 rpm |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | 40mm Fourche USD hydraulic forks, 120mm wheel travel | 43mm Telescopic fork, 130mm wheel travel |
| Rear Suspension: | Monoshock, 110mm wheel travel | Swingarm Link less type Monocross, 130mm wheel travel |
| Front Brakes: | Single 300mm disc 4 piston caliper | 2x 298 mm discs |
| Rear Brakes: | Single 180mm disc 2 piston caliper | Single 245 mm disc |
| Front Tyre: | 110/70 -17 | 120/70 ZR17 |
| Rear Tyre: | 140/70 -17 | 160/60 ZR17 |
| Fuel Capacity: | 13 Litres / 3.4 US gal | 17.3 Litres / 4.5 US gal |