Aprilia Sonic 50 GP
2008Scooter

Aprilia Sonic 50 GP

Key specifications

Engine
49 cc
Weight
73 kg
Fuel type
petrol
Fuel capacity
2.1 L
Transmission
Automatic
Seat height
30 mm
Front brakes
Single disc. caliper with two opposing Ø 32 mm pistons
Rear brakes
Expanding brake (drum brake)

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)