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Sportbikes

2009Derbi GPR 125 4T 4V

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The 2009 Derbi GPR 125 4T 4V is a sporty 125cc machine designed for young riders and commuters seeking accessible performance. Its liquid-cooled four-stroke engine with four valves per cylinder delivers reliable power, while the six-speed gearbox and chain drive provide engaging sportiness. Best known for combining style with everyday practicality, it appeals to budget-conscious riders wanting a genuine sport bike experience.

Capacity
124.8 ccm
Engine
Single, four-stroke
Gearbox
6-speed
Dry weight
120.0 kg
Seat height
800 mm
Power
15.0 HP (11.0 kW)
⇄ Compare with another bike + Add to garage All model years
Other years 2009 2010

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 39Agility 87Comfort 45Off-road 15Touring 30Road manners 78
Off-road & trail15%
Cornering85%
City riding75%
Daily riding55%
Touring30%
Two-up25%
Track65%
Best for
It's built for sporty around-town riding and mimicking full-size supersport style and cornering feel in a lightweight, learner-legal package.
Built for
It has an aggressive sportbike stance with premium touches like an upside-down fork and radial front caliper, giving it a punchy, eager feel despite modest power.
Not ideal for
It's not a good fit for riders wanting real highway speed, long-distance touring comfort, or any off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 800mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2009 Derbi GPR 125 4T 4V, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine
Capacity
124.8 ccm
Power
15.0 HP (11.0 kW)
Engine type
Single, four-stroke
Power/weight ratio
0.1250 HP/kg (dry)
Bore x stroke
58.0 x 47.0 mm
Compression
12.0:1
Cooling system
Liquid
Fuel system
Carburettor
Starting
Electric
Ignition
CDI
Valves per cylinder
4
Lubrication system
Oil pump
Torque
Not on record - add it
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Multi-disc
Dimensions & weight
Wheelbase
1355 mm
Overall length
1977 mm
Overall width
720 mm
Seat height
800 mm
Dry weight
120.0 kg
Wet weight
136.0 kg
Fuel capacity
14.00 litres
Chassis & suspension
Front suspension
40 mm upside-down fork.
Rear suspension
Monoshock.
Front wheel travel
120 mm
Rear wheel travel
120 mm
Brakes & wheels
Front brakes
Single disc. Radial Caliper
Front brakes diameter
300 mm
Rear brakes
Single disc. Floating Caliper
Rear brakes diameter
180 mm
Front tyre
110/70-17
Rear tyre
130/70-17
Other
Color options
White

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 20092010
Capacity 125 cc 125 cc
Dry weight 120 kg 120 kg
Seat height 800 mm 800 mm
Fuel capacity 14 L 13 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

5.0
★★★★★
Rider rating

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Common questions

What is the engine size of the Derbi GPR 125 4T 4V?

The 2009 Derbi GPR 125 4T 4V has a Capacity of 124.8 ccm (7.62 cubic inches).

What engine power does the Derbi GPR 125 4T 4V have?

The 2009 Derbi GPR 125 4T 4V has a Power of 15.0 HP (11.0 kW).

How many gears does the Derbi GPR 125 4T 4V have?

The 2009 Derbi GPR 125 4T 4V has a Gearbox of 6-speed.

How much does the Derbi GPR 125 4T 4V weigh?

The 2009 Derbi GPR 125 4T 4V has a Dry weight of 120.0 kg (264.6 pounds).

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