Derbi Terra Adventure 125 - 2011 Specifications and Reviews

The 2011 Derbi Terra Adventure 125 is a lightweight enduro bike ideal for novice and recreational off-road riders seeking affordable adventure riding. Its compact 124cc single-cylinder engine delivers 15 horsepower with reliable carbureted fueling and liquid cooling, making it capable on trails and rough terrain. Known for its accessible handling and economy, this Spanish-built machine excels as an entry-level adventure platform.

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General information

CategoryEnduro / offroad
Year2011
ModelDerbi Terra Adventure 125

Engine and Transmission Specifications

Emission detailsEuro III
ClutchMulti-plate
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemDry sump
IgnitionElectronic CDI
Fuel controlDOHC
Fuel systemCarburettor. 30 mm
Valves per cylinder4
Bore x stroke58.0 x 47.0 mm (2.3 x 1.9 inches)
Compression12.0:1
Power15.00
Engine typeSingle cylinder, four-stroke
Capacity:124.20 ccm (7.58 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter300 mm (11.8 inches)
Front brakesSingle disc
Rear tyre dimensions130/80-17
Front tyre dimensions90/90-21
Rear suspension travel150 mm (5.9 inches)
Rear suspensionMono-shock with adjustable spring pre-load.
Front suspension travel150 mm (5.9 inches)
Front suspension41 mm hydraulic fork
Frame typeSteel perimetral double beam. Double steel swing arm.
 
 

Physical measures and capacities

Reserve fuel capacity2.50 litres (0.66 gallons)
Fuel capacity11.00 litres (2.91 gallons)
Wheelbase1,454 mm (57.2 inches)
Overall width793 mm (31.2 inches)
Overall length2,195 mm (86.4 inches)
Overall height1,408 mm (55.4 inches)
Seat height850 mm (33.5 inches) If adjustable, lowest setting.
Power/weight ratio0.1282 HP/kg
Dry weight117.0 kg (257.9 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsWhite/red
ElectricalBattery 12V 6Ah
StarterElectric

Performance Profile & Rider Fit

15 hp
Peak Power

Best For

Track10%
City60%
Cornering45%
Daily Riding50%
Touring30%
Passenger30%

Rider Profile

Best ForWell suited to beginner and learner riders thanks to its light weight, low power, and manageable 125cc single-cylinder engine.
PurposeDesigned as a lightweight enduro-styled machine for light off-road trails, commuting, and general learner-friendly riding rather than serious performance.
Rider FitThe tall 850mm seat height and slim, light chassis make it approachable for riders of average to taller height, though shorter riders may need to adjust to the reach.
CharacterA playful, nimble small-capacity adventure bike that feels eager and flickable rather than fast, rewarding relaxed, low-speed exploration.
Not Ideal ForNot suited to highway touring, high-speed riding, or carrying a passenger over long distances due to its modest power output and small fuel tank.

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

Rider Fit Visualizer

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

Feet:

At 850mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with tip-toe one foot on the 2011 Derbi Terra Adventure 125, with a cramped knee angle of around 75 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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