Derbi GP1 50 Racing - 2009 Specifications and Reviews

The 2009 Derbi GP1 50 Racing is a sporty lightweight scooter designed for young and novice riders seeking entry-level performance. Powered by a liquid-cooled 50cc single-cylinder engine with automatic transmission, it combines agile handling with reliable simplicity. Best known for affordable racing-inspired styling and accessibility, it's ideal for learners transitioning from larger displacement motorcycles.

2009
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Engine and Transmission Specifications

ClutchAutomated
Transmission typefinal driveBelt
GearboxAutomatic
Cooling systemLiquid
Lubrication systemSeparate mixing with mechanical oil pump
StarterElectric
IgnitionC.D.I
Fuel systemCarburettor. 17.5 mm
Bore x stroke40.0 x 39.3 mm (1.6 x 1.5 inches)
Compression10.5:1
Stroke2
Engine typeSingle cylinder
Capacity:49.38 ccm (3.01 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,338 mm (52.7 inches)
Overall width705 mm (27.8 inches)
Overall length1,875 mm (73.8 inches)
Overall height1,212 mm (47.7 inches)
Seat height835 mm (32.9 inches) If adjustable, lowest setting.
Dry weight103.0 kg (227.1 pounds)
 
 

Derbi GP1 50 Racing dimensions and frame

Rear brakes diameter180 mm (7.1 inches)
Rear brakesSingle disc
Front brakes diameter245 mm (9.6 inches)
Front brakesSingle disc
Rear tyre dimensions140/60-14
Front tyre dimensions120/70-14
Rear suspensionMonoshock
Front suspensionUpside down fork

Speed and acceleration

Color optionsRed, black, yellow
Reserve fuel capacity1.50 litres (0.40 gallons)
Fuel capacity8.00 litres (2.11 gallons)

CategoryScooter
Year2009
ModelDerbi GP1 50 Racing

Rider Fit Visualizer

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

Feet:

At 835mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2009 Derbi GP1 50 Racing, with a moderate knee angle of around 105 degrees and a slightly forward 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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