Back to Bike FinderYears: 2012 · 2011 · 2010
Derbi Sonar 50 2T
2010Scooter

Derbi Sonar 50 2T

Key specifications

Engine
49 cc
Power
5 HP
Torque
5 Nm
Weight
95 kg
Fuel type
petrol
Fuel capacity
1.6 L
Transmission
Automatic
Seat height
31 mm
Front brakes
Single disc
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 2010 Derbi Sonar 50 2T, a spirited scooter that embodies the essence of urban mobility with a dash of Spanish flair. Positioned as an entry-level model in the scooter market, the Sonar 50 2T caters to young riders and city dwellers looking for an agile, stylish, and economical way to navigate bustling streets. With its lightweight design and compact dimensions, this scooter is perfect for zipping through traffic, making it an ideal companion for both commuting and weekend adventures. At the heart of the Derbi Sonar 50 2T is a lively single-cylinder, two-stroke engine with a displacement of 49.4 ccm. This peppy powerplant churns out 4.6 HP at 7,250 RPM, delivering a torque of 4.7 Nm at 6,750 RPM, ensuring spirited acceleration and nimble handling. The automatic gearbox paired with an automatic centrifugal clutch means riders can focus on the road ahead without the need for complex shifting. The air-cooled engine is coupled with a reliable carburettor fueling system, promising a smooth and responsive ride, whether you're darting around the city or cruising leisurely through scenic routes. The Sonar 50 2T boasts several features that enhance both comfort and functionality. The scooter is equipped with an electric starter for convenience, while kick-starting adds a touch of nostalgia. The hydraulic front forks and single rear shock absorber provide a balanced ride, with front travel of 76 mm and rear travel of 64 mm ensuring a smooth encounter with uneven surfaces. Additionally, the front disc brake and rear drum brake offer reliable stopping power, while the 6-liter fuel tank provides ample range for city explorations. The Sonar's sleek design and available black color option further accentuate its appeal, making it not just a mode of transport but a statement piece for young riders. **

Pros

  • Lightweight and compact design makes it ideal for urban commuting.
  • User-friendly automatic transmission allows for easy riding, especially for beginners.
  • Economical fuel consumption, complemented by a decent fuel capacity, ensures long rides without frequent refueling.

Cons

  • Limited power output may not satisfy those looking for high-speed thrills.
  • The smaller wheel size can affect stability on rougher terrains compared to larger scooters.
  • The two-stroke engine requires more frequent maintenance and attention to oil mixtures than four-stroke counterparts.

Technical details

Source specification data

Make
Derbi
Model
Sonar 50 2T
Category
Scooter
Starter
Electric & kick
Comments
Spanish made scooter.
Color Options
Black
Power
4.60 HP (3.4 kW)) @ 7250 RPM
Clutch
Automatic centrifugal
Torque
4.70 Nm (0.5 kgf-m or 3.5 ft.lbs) @ 6750 RPM
Gearbox
Automatic
Fuel System
Carburettor
Bore X Stroke
40.0 x 39.3 mm (1.6 x 1.5 inches)
Compression
10.9:1
Displacement
49.40 ccm (3.01 cubic inches)
Cooling System
Air
Engine Details
Single cylinder, two-stroke
Lubrication System
Mechanical oil pump
Transmission Type Final Drive
Belt
Dry Weight
95.0 kg (209.4 pounds)
Seat Height
795 mm (31.3 inches) If adjustable, lowest setting.
Fuel Capacity
6.00 litres (1.59 gallons)
Overall Width
735 mm (28.9 inches)
Overall Length
1,960 mm (77.2 inches)
Power Weight Ratio
0.0484 HP/kg
Rear Tyre
110/80-14
Front Tyre
90/80-16
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Single disc
Rear Suspension
Single shock absorber
Front Suspension
Hydraulic fork.
Rear Wheel Travel
64 mm (2.5 inches)
Front Wheel Travel
76 mm (3.0 inches)
Rear Brakes Diameter
140 mm (5.5 inches)
Front Brakes Diameter
220 mm (8.7 inches)

Available colors

Black