Derbi GPR 125 (2005-06) vs KTM 990 Supermoto T (2011) vs KTM 690 Duke R (2015)
Comparison technical specifications
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| Make: | Derbi | KTM | KTM |
| Model: | GPR 125 | 990 Supermoto T | 690 Duke R |
| Years: | 2005-06 | 2011 | 2015 |
| Engine: | Two stroke, single cylinder | Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder | Four stroke, single cylinder, SOHC, 4 valves |
| Capacity: | 124.7 cc / 7.6 cu-in | 999.8 cc / 60.9 cu-in | 690 cc / 42.1 cu in |
| Bore x Stroke: | 56 x 50 mm | 101 x 62.4mm | 102 x 84.5 mm |
| Cooling System: | Liquid cooled | Liquid cooling, | Liquid Cooled |
| Compression Ratio: | 12.5:1 | 11.5:1 | 12.6:1 |
| Induction: | 28mm Mikuni | Keihin EMS With FPT fuel injection | Generation Keihin EMS with EPT (Electric Power Throttle) |
| Ignition: | Electronic CDI | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment | Kokusan DC-CDI |
| Starting: | Electric | Electric | Electric |
| Max Power: | 11 kW 15 hp @ 8250 rpm | 116 hp / 85 kW @ 9000 pm | 52.2 kW / 70 hp @ 7500 rpm |
| Max Torque: | 13.5 Nm @ 77500 rpm | 97.Nm / / 71.5 ft/lb @ 7000 rpm | 69.8 Nm / 7.1 kgf-m / 51.6 ft-lb @ 6550 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain 5/8 x 5/16" X Ring | Chain X-Ring 5/8 x 5/16" |
| Front Suspension: | 40mm Fourche USD hydraulic forks, 120mm wheel travel | 48mm WP USD adjustable | WP Upside-down forks, 4357 ROMA Split |
| Rear Suspension: | Monoshock, 110mm wheel travel | WP shock, fully adjustable | WP monoshock, 4618 with Pro-lever deflector |
| Front Brakes: | Single 300mm disc 4 piston caliper | 2x 305mm discs 4 piston calipers | Single 320 mm floating disc, radially screwed four-piston brake caliper |
| Rear Brakes: | Single 180mm disc 2 piston caliper | Single 240mm disc 2 piston caliper | Single 240 mm floating disc, single piston caliper |
| Front Tyre: | 110/70 -17 | 120/70 ZR17 | 120/70 - ZR17 M/C 58W TL |
| Rear Tyre: | 140/70 -17 | 180/55 ZR17 | 160/60 - ZR17 M/C 69W TL |
| Dry Weight: | 123 kg / 271 lbs | 196.0 kg / 432.1 lbs | 149.5 kg / 330 in |
| Fuel Capacity: | 13 Litres / 3.4 US gal | 19 Litres / 5.0 gal | 14 Litres / 3.7 US gal / 3.1 Imp gal |
| Top Speed: | 134 km/h | 222.0 km/h | 202.9 km/h / 126 mph |