
Derbi Sonar 125 4T
Key specifications
Overview
Introducing the 2010 Derbi Sonar 125 4T, a stylish and practical scooter that effortlessly blends performance with the charm of urban mobility. Designed by the renowned Spanish manufacturer Derbi, this scooter targets riders who value agility, ease of use, and a touch of flair. With a sleek design and a lightweight chassis, the Sonar 125 4T is perfect for city dwellers and commuters alike, offering a reliable ride that stands out in the crowded scooter market. At the heart of the Sonar 125 4T is its robust single-cylinder, four-stroke engine, boasting a displacement of 124cc. Producing a healthy 10.6 horsepower at 8000 RPM and 9.6 Nm of torque at 7250 RPM, this scooter delivers a spirited performance that makes navigating urban traffic a breeze. The engine’s air-cooling system ensures efficient operation, while the automatic gearbox and centrifugal clutch provide seamless acceleration without the hassle of manual shifting. With a power-to-weight ratio of 0.1071 HP/kg, the Sonar 125 is nimble and responsive, making it an ideal companion for both new riders and seasoned enthusiasts. The 2010 Derbi Sonar 125 4T is packed with features that enhance both comfort and convenience. The scooter is equipped with a front single disc brake and a rear drum brake, ensuring reliable stopping power when you need it most. The front suspension features a 32 mm fork with 76 mm of travel, while the rear is supported by a single shock absorber, providing a balanced ride over varying road conditions. With a seat height of 805 mm, it caters to a wide range of riders, and its 8-liter fuel tank means you can enjoy longer rides without constant refueling. Not to mention, the electric starter ensures a hassle-free ignition every time you hit the road. **
Pros
- Lightweight and Agile: At only 99 kg (218.3 pounds), the Sonar 125 is easy to maneuver, making it perfect for city riding.
- User-Friendly Features: The automatic transmission and electric starter simplify the riding experience for both beginners and experienced riders.
- Stylish Design: With its sleek lines and available white color, this scooter offers a modern aesthetic that appeals to a broad audience.
Cons
- Limited Power for Highways: While great for city commuting, the 10.6 HP engine may struggle on faster roads or highways.
- Basic Suspension: The suspension setup, while adequate for city riding, may not provide the best comfort on uneven surfaces.
- Drum Brake at Rear: The rear drum brake may not offer the same level of performance and responsiveness as a disc brake, especially in emergency situations.
Technical details
Source specification data
- Make
- Derbi
- Model
- Sonar 125 4T
- Category
- Scooter
- Starter
- Electric
- Comments
- Spanish brand.
- Color Options
- White
- Power
- 10.60 HP (7.7 kW)) @ 8000 RPM
- Clutch
- Automatic centrifugal
- Torque
- 9.60 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 7250 RPM
- Gearbox
- Automatic
- Fuel System
- Carburettor
- Bore X Stroke
- 57.0 x 48.6 mm (2.2 x 1.9 inches)
- Compression
- 10.6:1
- Displacement
- 124.00 ccm (7.57 cubic inches)
- Cooling System
- Air
- Engine Details
- Single cylinder, four-stroke
- Lubrication System
- Mechanical oil pump
- Transmission Type Final Drive
- Belt
- Dry Weight
- 99.0 kg (218.3 pounds)
- Seat Height
- 805 mm (31.7 inches) If adjustable, lowest setting.
- Fuel Capacity
- 8.00 litres (2.11 gallons)
- Overall Width
- 740 mm (29.1 inches)
- Overall Length
- 1,930 mm (76.0 inches)
- Power Weight Ratio
- 0.1071 HP/kg
- Weight Incl Oil Gas Etc
- 109.0 kg (240.3 pounds)
- 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
- 32 mm 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)