Derbi GPR 50 R - 2011 Specifications and Reviews

The 2011 Derbi GPR 50 R is a liquid-cooled sport 50cc two-stroke designed for entry-level riders seeking aggressive styling and nimble handling. Its compact single-cylinder engine delivers punchy performance from a carbureted powerplant, while the six-speed transmission enables spirited riding on urban and backroad environments. Best known for combining affordable sportiness with practical everyday usability.

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Engine and Transmission Specifications

ClutchMulti-plate
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemMechanical oil pump
IgnitionC.D.I.
Fuel controlSOHC
Fuel systemCarburettor. 17.5 mm
Bore x stroke39.9 x 40.0 mm (1.6 x 1.6 inches)
Compression11.5:1
Torque5.90 Nm (0.6 kgf-m or 4.4 ft.lbs) @ 9000
Power8.45
Engine typeSingle cylinder, two-stroke
Capacity:49.90 ccm (3.04 cubic inches)
 
 

CategorySport
Year2011
ModelDerbi GPR 50 R

Brakes, suspension, Frame and wheels

Rear brakes diameter218 mm (8.6 inches)
Rear brakesSingle disc
Front brakes diameter300 mm (11.8 inches)
Front brakesSingle disc
Rear tyre dimensions130/70-17
Front tyre dimensions100/80-17
Rear suspension travel120 mm (4.7 inches)
Rear suspensionMonoshock.
Front suspension travel110 mm (4.3 inches)
Front suspension40 mm. hydraulic fork.
Frame typeTubular steel cradle

Physical measures and capacities

Oil capacity1.50 litres (0.10 quarts)
Reserve fuel capacity1.50 litres (0.40 gallons)
Fuel capacity13.00 litres (3.43 gallons)
Wheelbase1,360 mm (53.5 inches)
Overall width720 mm (28.3 inches)
Overall length2,015 mm (79.3 inches)
Overall height1,116 mm (43.9 inches)
Power/weight ratio0.0768 HP/kg
Weight incl. oil, gas, etc121.0 kg (266.8 pounds)
Dry weight110.0 kg (242.5 pounds)

Other specs

CommentsAlso available in a long version.
InstrumentsDigital
Wheelbase1,290 mm (50.8 inches)
Ground clearance275 mm (10.8 inches)
Seat height550 mm (21.7 inches) If adjustable, lowest setting.
WheelsOthers
Rear tyre270/60-12
Front tyre188/85-12
Rear SuspensionDouble wishbone Independent Suspension, Coil Spring Oil Damp Shock Absorber
Front SuspensionDouble wishbone Independent Suspension, Coil Spring Oil Damp Shock Absorber
Driveline2 Wheel Drive and 4 wheel Drive switch
Valves per cylinder4
Bore x Stroke87.5 x 82.0 mm (3.4 x 3.2 inches)
Compression10.2:1
Torque45.10 Nm (4.6 kgf-m or 33.3 ft.lbs) @ 4832 RPM
Capacity:493.00 ccm (30.08 cubic inches)
ModelCF Moto X-lander X5
Color optionsBlack/yellow
StarterElectric

Rider Fit Visualizer

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 550mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2011 Derbi GPR 50 R, with a cramped knee angle of around 45 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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