Built around Sym's scooter motorcycle platform, the 2012 Sym Symphony 50 features a 49.6 cc (3 cu in) air-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 3.9 HP (2.9 kW) at 8,500 rpm, transferring power to the rear wheel through a automatic gearbox and belt final drive. Internal engine geometry specifies a 12.2:1 compression ratio.
On the scales, the Symphony 50 measures 100 kg (220 lbs) dry. The 4.8-liter (1.3 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Sym archive, this model family spans 6 indexed model years from 2010 to 2025, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement49.6 ccm (3.03 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
Power3.9 HP (2.9 kW)) @ 8500 RPM
Compression12.2:1
Fuel SystemCarburettor
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
ClutchAuto centrifugal type
DrivelineCVT
Chassis
Frame TypeSteel
Front SuspensionTelescopic fork
Rear SuspensionUnit swing
Wheels & Brakes
Front Tyre90/80-16
Rear Tyre90/80-16
Front BrakesSingle disc
Front Brake Ø225 mm (8.9 inches)
Rear BrakesExpanding brake (drum brake). Optional disk brake
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
