Derbi GP1 50 - 2012 Specifications and Reviews

The 2012 Derbi GP1 50 is an automatic scooter designed for novice and commuter riders seeking affordable urban mobility. Its liquid-cooled two-stroke engine delivers responsive performance in a lightweight package, while the twist-and-go transmission eliminates manual gear shifting. Best known for its reliability and fuel efficiency, the GP1 50 excels as an entry-level scooter for city riding.

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Engine and Transmission Specifications

DrivelineAutomatic CVT
ClutchAutomated twist and go
Transmission type,final driveChain
GearboxAutomatic
Cooling systemLiquid
Lubrication systemSeparate mixing with mechanical oil pump
IgnitionElectronic C.D.I.
Fuel controlSOHC
Fuel systemCarburettor. 17.5 mm
Bore x stroke40.0 x 39.3 mm (1.6 x 1.5 inches)
Compression10.5:1
Engine typeSingle cylinder, two-stroke
Capacity:49.38 ccm (3.01 cubic inches)
 
 

CategoryScooter
Year2012
ModelDerbi GP1 50
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter175 mm (6.9 inches)
Rear brakesSingle disc. Single piston
Front brakes diameter190 mm (7.5 inches)
Front brakesSingle disc. Radially-mounted two-piston caliper
Rear tyre dimensions140/60-13
Front tyre dimensions120/70-14
Rear suspension travel70 mm (2.8 inches)
Rear suspensionAluminium swingarm with single spring-damper
Front suspension travel80 mm (3.1 inches)
Front suspensionInverted fork
Frame typeAluminium beam frame

Physical measures and capacities

Oil capacity1.50 litres (0.10 quarts)
Fuel capacity11.00 litres (2.91 gallons)
Wheelbase1,330 mm (52.4 inches)
Overall length1,850 mm (72.8 inches)
Overall height1,175 mm (46.3 inches)
Seat height835 mm (32.9 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc115.0 kg (253.5 pounds)
Dry weight103.0 kg (227.1 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsBlack
SeatDual seat
LightDual head lights
InstrumentsAnalogue
StarterElectric

Performance Profile & Rider Fit

Best For

Track20%
City88%
Cornering65%
Daily Riding70%
Touring25%
Passenger40%

Rider Profile

Best ForSuitable for beginners and learners, including younger riders on a moped license, thanks to its 50cc automatic twist-and-go nature.
PurposeBuilt as a sporty, style-focused urban commuter scooter rather than a machine for long distances or high speed.
Rider FitIts low seat height and light weight make it easy and unintimidating for smaller or less experienced riders to manage.
CharacterA sharp-looking, sport-styled 50cc scooter with premium touches like an inverted fork and radial brake caliper that give it a surprisingly grown-up feel for its class.
Not Ideal ForNot for riders wanting real highway speed, long-distance touring comfort, or any off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2012 Derbi GP1 50 Rider Ergonomics Assessment

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Feet:

At 835mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2012 Derbi GP1 50, 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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