Aprilia Sonic 50 - 2008 Specifications and Reviews

The 2008 Aprilia Sonic 50 is a lightweight scooter designed for urban commuters and novice riders seeking an affordable, nimble city machine. Its two-stroke engine delivers spirited performance in a compact package, while the automatic transmission and responsive handling make it ideal for navigating congested streets and tight parking spaces.

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Engine and Transmission Specifications

Transmission type,final driveBelt
GearboxAutomatic
Cooling systemAir
Lubrication systemSeparate mixing with mechanical pump
IgnitionElectronic ignition
Fuel systemCarburettor. DellOrto PH BN 12 carburettor
Bore x stroke40.0 x 39.2 mm (1.6 x 1.5 inches)
Compression12.5:1
Engine typeSingle cylinder, two-stroke
Capacity:49.30 ccm (3.01 cubic inches)
 
 

CategoryScooter
Year2008
ModelAprilia Sonic 50

Brakes, suspension, Frame and wheels

Rear brakes diameter110 mm (4.3 inches)
Rear brakesExpanding brake (drum brake)
Front brakes diameter155 mm (6.1 inches)
Front brakesSingle disc. caliper with two opposing Ø 32 mm pistons
Rear tyre dimensions100/90-10
Front tyre dimensions100/90-10
Rear suspension travel70 mm (2.8 inches)
Rear suspensionEngine 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 travel65 mm (2.6 inches)
Front suspensionHydraulic fork; Ø 27 mm stanchions
Frame typeSplit single cradle in high strength tubular steel

Physical measures and capacities

Reserve fuel capacity2.00 litres (0.53 gallons)
Fuel capacity8.00 litres (2.11 gallons)
Wheelbase1,175 mm (46.3 inches)
Overall width610 mm (24.0 inches)
Overall length1,680 mm (66.1 inches)
Overall height1,070 mm (42.1 inches)
Seat height770 mm (30.3 inches) If adjustable, lowest setting.
Dry weight73.0 kg (160.9 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric & kick

Performance Profile & Rider Fit

Best For

Track10%
City88%
Cornering45%
Daily Riding70%
Touring15%
Passenger25%

Rider Profile

Best ForIdeal for beginners or younger riders, including those on a moped license, thanks to its light weight and simple automatic transmission.
PurposeBuilt purely as a nimble, low-cost urban scooter for short commutes and errands rather than performance riding.
Rider FitVery light and low seat height make it easy to handle and manage at a stop for riders of nearly any size or experience level.
CharacterA peppy, no-frills 50cc two-stroke scooter that prioritizes agility and around-town convenience over outright speed or comfort.
Not Ideal ForNot suitable for highway travel, long-distance touring, or riders wanting a powerful or two-up capable machine.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2008 Aprilia Sonic 50 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 770mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2008 Aprilia Sonic 50, with a moderate knee angle of around 95 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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