Derbi Terra Adventure 125 - 2017 Specifications and Reviews

The 2017 Derbi Terra Adventure 125 is a lightweight Spanish-made adventure bike ideal for beginner and intermediate riders seeking affordable off-road capability. Known for its manageable weight, comfortable dual seat, and practical 11-liter fuel tank, this machine excels as an accessible entry point to adventure touring with reliable electric starting and straightforward mechanics.

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General information

CategoryEnduro / offroad
Year2017
ModelDerbi Terra Adventure 125

Engine and Transmission Specifications

Emission detailsEuro 3
ClutchMulti-plate, wet
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemDry sump
IgnitionCDI
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
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 HP (10.9 kW) @ 9250 RPM
Engine typeSingle cylinder, four-stroke
Capacity:124.20 ccm (7.58 cubic inches)

Brakes, suspension, Frame and wheels

SeatDual
Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter300 mm (11.8 inches)
Front brakesSingle disc
Rear tyre130/90-17
Front tyre90/90-21
Rear wheel travel150 mm (5.9 inches)
Rear SuspensionMono-shock with adjustable spring pre-load.
Front wheel travel150 mm (5.9 inches)
Front Suspension41 mm hydraulic fork
Frame typeDouble steel beam
 
 

Physical measures and capacities

Reserve fuel capacity2.50 litres (0.66 gallons)
Fuel capacity11.00 litres (2.91 gallons)
Wheelbase1,451 mm (57.1 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
Weight incl. oil, gas, etc130.0 kg (286.6 pounds)
Dry weight117.0 kg (257.9 pounds)

Other specs

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

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

2017 Derbi Terra Adventure 125 Rider Ergonomics Assessment

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

Feet:

At 850mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with tip-toe one foot on the 2017 Derbi Terra Adventure 125, with a cramped knee angle of around 75 degrees and an upright 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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