
Aprilia Sonic 50 GP
Key specifications
Overview
Introducing the 2008 Aprilia Sonic 50 GP, a spirited scooter that embodies the essence of fun and practicality for urban commuting and casual joyrides alike. Positioned in the competitive 50cc segment, this nimble two-wheeler offers an engaging alternative to traditional mopeds, appealing to both novice riders and seasoned enthusiasts looking for a compact ride. With its sleek design and racing-inspired aesthetics, the Sonic 50 GP captures the attention of onlookers while promising an exhilarating ride through city streets and beyond. At the heart of the Sonic 50 GP is a robust single-cylinder, two-stroke engine with a displacement of 49.30cc, delivering spirited acceleration and agility. With a compression ratio of 12.5:1 and a finely-tuned Dell’Orto PH BN 12 carburettor, this scooter exhibits impressive throttle response and a delightful power band that keeps riders engaged. The liquid cooling system ensures optimal performance even on warmer days, while the automatic gearbox and belt final drive make for a smooth, user-friendly riding experience. Weighing in at just 73 kg (160.9 lbs), the Sonic 50 GP feels light and nimble, allowing riders to maneuver through traffic effortlessly while enjoying a dynamic ride. The Aprilia Sonic 50 GP is not just about performance; it also boasts a range of thoughtful features that enhance its usability and comfort. The split single cradle frame, constructed from high-strength tubular steel, ensures durability and stability, while the hydraulic fork and rising rate monoshock suspension provide a smooth ride over various terrains. Stopping power is delivered through a single front disc brake with dual opposing pistons and a reliable drum brake at the rear, ensuring confident handling in busy urban environments. Additionally, with a fuel capacity of 8 liters, riders can enjoy extended journeys without frequent stops, and the option for both electric and kick-starting adds to its convenience. **
Pros
- Agile Handling: Weighing only 73 kg, the Sonic 50 GP offers exceptional maneuverability, making it perfect for navigating city streets.
- Responsive Engine: The combination of a two-stroke engine and a well-tuned carburettor delivers spirited acceleration and an engaging riding experience.
- User-Friendly Features: With both electric and kick-start options, along with a comfortable seat height of 770 mm, the Sonic 50 GP is accessible for a wide range of riders.
Cons
- Limited Storage: The compact design may limit storage options, making it less ideal for longer trips requiring extra gear.
- Two-Stroke Maintenance: The two-stroke engine, while lively, may require more frequent maintenance and attention compared to four-stroke counterparts.
- Performance Limitations: As a 50cc scooter, it may struggle with higher speeds and steep inclines, which could be a consideration for some riders.
Technical details
Source specification data
- Make
- Aprilia
- Model
- Sonic 50 GP
- Category
- Scooter
- Starter
- Electric & kick
- Gearbox
- Automatic
- Ignition
- Electronic ignition
- Fuel System
- Carburettor
- .
- Dell
- ’
- N
- 12 carburettor
- Bore X Stroke
- 40.0 x 39.2 mm (1.6 x 1.5 inches)
- Compression
- 12.5:1
- Displacement
- 49.30 ccm (3.01 cubic inches)
- Cooling System
- Liquid
- Engine Details
- Single cylinder, two-stroke
- Lubrication System
- Separate mixing with mechanical pump
- Transmission Type Final Drive
- Belt
- Dry Weight
- 73.0 kg (160.9 pounds)
- Seat Height
- 770 mm (30.3 inches) If adjustable, lowest setting.
- Fuel Capacity
- 8.00 litres (2.11 gallons)
- Overall Width
- 610 mm (24.0 inches)
- Overall Height
- 1,070 mm (42.1 inches)
- Overall Length
- 1,680 mm (66.1 inches)
- Reserve Fuel Capacity
- 2.00 litres (0.53 gallons)
- Rear Tyre
- 100/90-10
- Frame Type
- Split single cradle in high strength tubular steel
- Front Tyre
- 100/90-10
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Single disc. caliper with two opposing Ø 32 mm pistons
- Rear Suspension
- Engine
- acting as swingarm, attached to the frame by rising rate linkages on 2 radial and 2 axial vibration dampers.
- Rising
- rate monoshock; Ø 50.5 mm spring
- Front Suspension
- Hydraulic fork; Ø 27 mm stanchions
- Rear Wheel Travel
- 70 mm (2.8 inches)
- Front Wheel Travel
- 65 mm (2.6 inches)
- Rear Brakes Diameter
- 110 mm (4.3 inches)
- Front Brakes Diameter
- 155 mm (6.1 inches)