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2010Derbi Sonar 50 2T

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The 2010 Derbi Sonar 50 2T is an entry-level scooter designed for urban commuters and novice riders seeking affordable, practical transportation. Powered by a lightweight two-stroke engine with automatic transmission, it delivers modest performance suitable for city riding with minimal maintenance requirements and economical fuel consumption.

Capacity
49.4 ccm
Engine
Single, two-stroke
Gearbox
Not on record
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Dry weight
95.0 kg
Seat height
795 mm
Power
4.6 HP (3.4 kW) @ 7250 RPM
Other years 2010 2011 2012

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 13Agility 76Comfort 55Off-road 5Touring 20Road manners 60
Off-road & trail5%
Cornering40%
City riding88%
Daily riding75%
Touring20%
Two-up25%
Track5%
Best for
Built purely for short urban hops, running errands, and light commuting rather than any kind of performance riding.
Built for
A humble, no-frills 50cc two-stroke commuter that favors practicality and easy maneuverability over any excitement.
Not ideal for
Not suitable for highway travel, long-distance touring, carrying a passenger comfortably, or riders seeking any real performance.

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 795mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2010 Derbi Sonar 50 2T, with a moderate knee angle of around 100 degrees and a slightly forward 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
49.4 ccm
Power
4.6 HP (3.4 kW) @ 7250 RPM
Torque
4.7 Nm (0.5 kgf-m) @ 6750 RPM
Engine type
Single, two-stroke
Power/weight ratio
0.0484 HP/kg (dry)
Bore x stroke
40.0 x 39.3 mm
Compression
10.9:1
Cooling system
Air
Fuel system
Carburettor
Starting
Electric & kick
Lubrication system
Mechanical oil pump
Transmission
Transmission type
Automatic
Final drive
Belt
Clutch
Automatic centrifugal
Dimensions & weight
Wheelbase
1340 mm
Overall length
1960 mm
Overall width
735 mm
Seat height
795 mm
Dry weight
95.0 kg
Wet weight
100.0 kg
Fuel capacity
6.00 litres
Chassis & suspension
Front suspension
Hydraulic fork.
Rear suspension
Single shock absorber
Front wheel travel
76 mm
Rear wheel travel
64 mm
Brakes & wheels
Front brakes
Single disc
Front brakes diameter
220 mm
Rear brakes
Expanding brake (drum brake)
Rear brakes diameter
140 mm
Front tyre
90/80-16
Rear tyre
110/80-14
Other
Color options
Black

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 201020112012
Capacity 49 cc 49 cc 49 cc
Dry weight 95 kg 95 kg 95 kg
Seat height 795 mm 795 mm 795 mm
Fuel capacity 6 L 6 L 6 L

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

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Common questions

What is the engine size of the Derbi Sonar 50 2T?

The 2010 Derbi Sonar 50 2T has a Capacity of 49.4 ccm (3.01 cubic inches).

What engine power does the Derbi Sonar 50 2T have?

The 2010 Derbi Sonar 50 2T has a Power of 4.6 HP (3.4 kW) @ 7250 RPM.

What is the torque of the Derbi Sonar 50 2T?

The 2010 Derbi Sonar 50 2T has a Torque of 4.7 Nm (0.5 kgf-m or 3.5 ft.lbs) @ 6750 RPM.

How much does the Derbi Sonar 50 2T weigh?

The 2010 Derbi Sonar 50 2T has a Dry weight of 95.0 kg (209.4 pounds).

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