Sym Symphony ST 50 - 2025 Specifications and Reviews

The 2025 Sym Symphony ST 50 is an entry-level automatic scooter designed for urban commuters and new riders seeking affordable, fuel-efficient transportation. Its lightweight design and CVT transmission make it ideal for navigating city streets with ease, while the fuel-injected 49cc engine delivers reliable everyday performance at an accessible price point.

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General information

Color OptionsLight Grey, White, Black, Blue, Grey
PriceEuro 2599. MSRP depends on country, taxes, accessories, etc.
CategoryScooter
ModelSym Symphony ST 50
 
 

Engine and Transmission Specifications

StartingElectric
Emission DetailsEuro 5
Final DriveBelt (final drive)
GearboxAutomatic
Cooling SystemAir
InductionInjection. EFI
Bore x Stroke37.0 x 46.0 mm (1.5 x 1.8 inches)
Compression Ratio11.0:1
Max Torque3.0 Nm (0.3 kgf-m or 2.2 ft.lbs) @ 6000 RPM
Capacity:49.0 ccm (2.99 cubic inches)

Physical measures and capacities

Fuel Capacity7.00 litres (1.85 US gallons)
Wheelbase1350 mm (53.1 inches)
Overall Width735 mm (28.9 inches)
Overall Length2060 mm (81.1 inches)
Overall Height1200 mm (47.2 inches)
Seat Height805 mm (31.7 inches) If adjustable, lowest setting.
Wet Weight118.0 kg (260.1 pounds)

Sym Symphony ST 50 dimensions and frame

WheelsCast aluminium
Rear BrakesSingle disc
Brake Disc Diameter240 mm (9.4 inches)
Front BrakesSingle disc
Rear Tyre110/70-16
Front Tyre110/70-16
Rear SuspensionAdjustable Rear Suspension
Front SuspensionTelescopic Fork

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specsReport missing specs or required updates.
CommentsThe SYM brand is owned by Sanyang Motor in Taiwan.
Carrying CapacityUnderseat storage
LightingLED lights
InstrumentsLCD instruments
DrivelineCVT
Power3.0 HP (2.2 kW)) @ 8000 RPM
Engine typeSingle cylinder, four-stroke
Year2025

Performance Profile & Rider Fit

3 hp
Peak Power

Best For

Track2%
City88%
Cornering40%
Daily Riding75%
Touring10%
Passenger20%

Rider Profile

Best ForThis is an ideal first powered two-wheeler for absolute beginners or those needing a simple 50cc moped-class commuter, often ridable on a basic license or moped permit depending on local regulations.
PurposeBuilt purely for short urban hops, running errands, and light commuting where low cost and easy parking matter more than performance.
Rider FitIts low seat height and lightweight 118 kg build make it very manageable for shorter or less physically strong riders to handle at a stop and in traffic.
CharacterA modest, practical, no-drama scooter that prioritizes affordability, fuel efficiency, and stress-free town riding over any thrill or speed.
Not Ideal ForThis is not suited for highway travel, carrying a passenger comfortably, touring, or any rider seeking real acceleration or power.

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

Rider Fit Visualizer

2025 Sym Symphony ST 50 Rider Ergonomics Assessment

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

Feet:

At 805mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2025 Sym Symphony ST 50, with a moderate knee angle of around 105 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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