Derbi GPR 125 Racing (2005-06)

The Derbi GPR 125 was a two-stroke, single-cylinder motorcycle produced in 2005-06. With a 124.7 cc engine, the bike had a maximum power output of 11 kW and a maximum torque of 13.5 Nm. It featured a six-speed transmission and chain drive. The front suspension was equipped with 40mm Fourche USD hydraulic forks, and the rear suspension was monoshock with 110mm of wheel travel. The front and rear brakes consisted of single disc setups with two and four-pistons calipers respectively. The motorcycle weighed 123 kg and had a fuel capacity of 13 liters/3.4 US gallons. Top speed was reportedly 134 km/h, and it could complete a standing quarter-mile in 17.1 seconds.

Technical specifications:

Make Model: Derbi GPR 125

Year: 2005 – 06
Engine: Two stroke, single cylinder
Capacity: 124.7 cc / 7.6 cu-in
Bore x Stroke: 56 x 50 mm
Cooling System: Liquid cooled
Compression Ratio: 12.5:1
Induction: 28mm Mikuni
Ignition: Electronic CDI
Starting: Electric
Max Power: 11 kW 15 hp @ 8250 rpm
Max Torque: 13.5 Nm @ 77500 rpm
Transmission: 6 Speed
Final Drive: Chain
Front Suspension: 40mm Fourche USD hydraulic forks, 120mm wheel travel
Rear Suspension: Monoshock, 110mm wheel travel
Front Brakes: Single 300mm disc 4 piston caliper
Rear Brakes: Single 180mm disc 2 piston caliper
Front Tyre: 110/70 -17
Rear Tyre: 140/70 -17
Dry Weight: 123 kg / 271 lbs
Fuel Capacity: 13 Litres / 3.4 US gal
Standing 1/4 Mile: 17.1 sec
Top Speed: 134 km/h