Derbi GPR50: history, specs, pictures
The Derbi GPR50 was a single cylinder, two-stroke sport motorcycle produced between 2003 and 2015. Max torque was 4.35 ft/lbs (5.9 Nm) @ 9000 RPM. Claimed horsepower was 8.31 HP (6.2 KW) @ 10000 RPM.
Engine
The engine was a liquid cooled single cylinder, two-stroke. A 40.0mm bore x 39.3mm stroke result in a displacement of just 49.4 cubic centimeters. The engine featured a 10.5:1 compression ratio. Fuel was supplied via a single overhead cams (SOHC).
Drive
The bike has a 6-speed transmission. The final drive was via chain. Power was moderated via the automated twist and go.
Chassis
It came with a 100/80-17 front tire and a 130/70-17 rear tire. Stopping was achieved via single disc in the front and a single disc. single piston in the rear. The front suspension was a 41 mm upsidedown fork while the rear was equipped with a asymmetric swing arm. monoshock. The GPR50 was fitted with a 3.43 Gallon (13.00 Liters) fuel tank. The bike weighed just 242.51 pounds (110.0 Kg). The wheelbase was 53.54 inches (1360 mm) long.
In Media
Manufacturer | Derbi |
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Also called | GPR50R Race Replica, GPR 50 R Race Replica, GPR50 Racing Replica, GPR 50 Racing Replica, GPR80 Cup, GPR 80 Cup, GPR50 Replica Malossi, GPR 50 Replica Malossi, GPR Racing 50, GPR Nude 50, GPR Racing 50 Race Replica, GPR50 Racing Replica Di Meglio, GPR 50 Racing Replica Di Meglio, GPR50 Racing Race Replica, GPR 50 Racing Race Replica, GPR50 Racing, GPR 50 Racing, GPR50 Nude, GPR 50 Nude, GPR502T, GPR 50 2T, GPR 50, GPR50R, GPR 50 R |
Production | 2003 - 2015 |
Engine | single cylinder, two-stroke |
Bore / Stroke | 40.0mm x 39.3mm |
Horse Power | 8.31 HP (6.2 KW) @ 10000RPM |
Torque | 4.35 ft/lbs (5.9 Nm) @ 9000RPM |
Fuel system | carburettor. 17.5 mm |
Ignition type | electronic c.d.i. |
Battery | 10.5:1 |
Transmission | Gear box: 6-speed Final Drive: chain |
Suspension | Front: 41 mm upsidedown fork Rear: asymmetric swing arm. monoshock. |
Brakes | Front: single disc Rear: single disc. single piston |
Front Tire | 100/80-17 |
Rear Tire | 130/70-17 |
Wheelbase | 53.54 inches (1360 mm) |
Dimensions | L 79.33 inches (2015 mm) W 28.35 inches (720 mm) H 43.94 inches (1116 mm) |
Seat height | 31.89 inches (810 mm) |
Weight | 242.51 pounds (110.0 Kg) (dry), 121.0 kg (wet) |
Fuel capacity | 3.43 Gallon (13.00 Liters) |
Oil capacity | 0.4 Gallon (1.50 Liters) |
Manuals | Service Manual |
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The Derbi GPR50 was a single cylinder, two-stroke standard produced by Derbi between 2003 and 2015. Max torque was 4.35 ft/lbs (5.9 Nm) @ 9000 RPM. Claimed horsepower was 8.31 HP (6.2 KW) @ 10000 RPM.
Engine
The engine was a liquid cooled single cylinder, two-stroke. A 40.0mm bore x 39.3mm stroke result in a displacement of just 49.4 cubic centimeters. Fuel was supplied via a single overhead cams (sohc).
Drive
The bike has a 6-speed transmission. Power was moderated via the automated twist and go.
Chassis
It came with a 100/80-17 front tire and a 130/70-17 rear tire. Stopping was achieved via single disc in the front and a single disc. single piston in the rear. The front suspension was a 41 mm upsidedown fork while the rear was equipped with a asymmetric swing arm. monoshock.. The GPR50 was fitted with a 3.43 Gallon (13.00 Liters) fuel tank. The bike weighed just 242.51 pounds (110.0 Kg). The wheelbase was 53.54 inches (1360 mm) long.