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.

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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