Scooters
2015SYM Symphony ST 125
28 fields on record
The 2015 Sym Symphony ST 125 is an approachable commuter scooter ideal for new riders and urban commuters seeking reliable, economical transportation. Its lightweight 122 kg frame and compact dimensions make it nimble in city traffic, while the fuel-efficient twin-cylinder engine and 7.5-liter tank provide practical daily range. Best known for dependable performance and ease of handling, it excels as an affordable entry point into motorbiking.
- Capacity
- 124.6 ccm
- Engine
- Single, four-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 122.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 15.0 HP (11.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It is built primarily for short urban commutes and everyday errands rather than performance or long-distance riding.
- Built for
- It has a practical, unassuming personality focused on convenience, fuel efficiency, and easy city maneuverability rather than excitement.
- Not ideal for
- It is not suitable for highway touring, high-speed riding, or anyone seeking sporty performance or off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Range and running costs
Worked out in your browser - nothing is sent to usBased on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.
Engine
- Capacity
- 124.6 ccm
- Power
- 15.0 HP (11.0 kW)
- CO2 Emissions
- 78 CO2 g/km
- Engine type
- Single, four-stroke
- Fuel consumption
- 3.40 litres/100 km (29.4 km/l)
- Power/weight ratio
- 0.1230 HP/kg (dry)
- Cooling system
- Air
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- CDI
- Valves per cylinder
- 2
- Lubrication system
- Wet sump
Transmission
- Final drive
- Belt
Dimensions & weight
- Wheelbase
- 1350 mm
- Overall length
- 1995 mm
- Overall width
- 727 mm
- Overall height
- 1195 mm
- Dry weight
- 122.0 kg
- Fuel capacity
- 7.50 litres
- Seat height
- Not on record - add it
Chassis & suspension
- Frame
- Pipe under bone
- Front suspension
- Telescopic fork
- Rear suspension
- Unit swing
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 110/70-16
- Rear tyre
- 110/70-16
Other
- Color options
- White
Specs last verified against published sources: .
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 | 2015 | 2016 | 2017 | 2018 | 2019 |
|---|---|---|---|---|---|
| Capacity | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc |
| Dry weight | 122 kg | 122 kg | 122 kg | 122 kg | 127 kg |
| Seat height | — | — | — | — | 770 mm |
| Fuel capacity | 7.5 L | 7.5 L | 7.5 L | 7.5 L | 7.5 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the SYM Symphony ST 125?
The 2015 SYM Symphony ST 125 has a Capacity of 124.6 ccm (7.60 cubic inches).
What engine power does the SYM Symphony ST 125 have?
The 2015 SYM Symphony ST 125 has a Power of 15.0 HP (11.0 kW).
How much does the SYM Symphony ST 125 weigh?
The 2015 SYM Symphony ST 125 has a Dry weight of 122.0 kg (269.0 pounds).
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