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2025SYM Symphony ST 50

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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.

Capacity
49.0 ccm
Engine
Single, four-stroke
Gearbox
Not on record
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Wet weight
118.0 kg
Seat height
805 mm
Power
3.0 HP (2.2 kW) @ 8000 RPM
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2025 SYM Symphony ST 50

vs the 2023
Spec20232025
Engine capacity 49.5 ccm (3.02 cubic inches) 49.0 ccm (2.99 cubic inches)
Dry weight 118.0 kg (260.1 pounds) not listed
Wet weight — 118.0 kg (260.1 pounds)
Rear suspension Dual shocks Adjustable Rear Suspension
Other years 2023 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 9Agility 77Comfort 55Off-road 5Touring 15Road manners 60
Off-road & trail5%
Cornering40%
City riding88%
Daily riding75%
Touring10%
Two-up20%
Track2%
Best for
Built purely for short urban hops, running errands, and light commuting where low cost and easy parking matter more than performance.
Built for
A modest, practical, no-drama scooter that prioritizes affordability, fuel efficiency, and stress-free town riding over any thrill or speed.
Not ideal for
This is not suited for highway travel, carrying a passenger comfortably, touring, or any rider seeking real acceleration or power.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 805mm, a rider of 68.9" with a 31" (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.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

Find bikes that fit your height →

Full specifications

Engine
Capacity
49.0 ccm
Power
3.0 HP (2.2 kW) @ 8000 RPM
CO2 Emissions
5 CO2 g/km
Torque
3.0 Nm (0.3 kgf-m) @ 6000 RPM
Engine type
Single, four-stroke
Power/weight ratio
0.0254 HP/kg (wet)
Bore x stroke
37.0 x 46.0 mm
Compression
11.0:1
Cooling system
Air
Fuel system
Injection
Starting
Electric
Transmission
Transmission type
Automatic
Final drive
Belt
Clutch
Auto centrifugal type
Dimensions & weight
Wheelbase
1350 mm
Overall length
2060 mm
Overall width
735 mm
Overall height
1200 mm
Seat height
805 mm
Wet weight
118.0 kg
Fuel capacity
7.00 litres
Carrying capacity
Underseat storage
Dry weight
Not on record - add it
Chassis & suspension
Front suspension
Telescopic Fork
Rear suspension
Adjustable Rear Suspension
Brakes & wheels
Front brakes
Single disc
Rear brakes
Single disc
Front tyre
110/70-16
Rear tyre
110/70-16
Other
Color options
Light Grey, White, Black, Blue, Grey
Comments
The SYM brand is owned by Sanyang Motor in Taiwan.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 202320252026
Capacity 50 cc 49 cc 49 cc
Dry weight 118 kg — —
Seat height 800 mm 805 mm 805 mm
Fuel capacity 7 L 7 L 7 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the SYM Symphony ST 50?

The 2025 SYM Symphony ST 50 has a Capacity of 49.0 ccm (2.99 cubic inches).

What engine power does the SYM Symphony ST 50 have?

The 2025 SYM Symphony ST 50 has a Power of 3.0 HP (2.2 kW) @ 8000 RPM.

What is the torque of the SYM Symphony ST 50?

The 2025 SYM Symphony ST 50 has a Torque of 3.0 Nm (0.3 kgf-m or 2.2 ft.lbs) @ 6000 RPM.

How much does the SYM Symphony ST 50 weigh?

The 2025 SYM Symphony ST 50 has a Wet weight of 118.0 kg (260.1 pounds).

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