Scooters
2021SYM Symphony 125
32 fields on record
The 2021 SYM Symphony 125 is a big-wheeled city scooter from Taiwan's SYM, built for practical commuting. Its air-cooled 124.5cc single makes 11.3 hp and 10.3 Nm through an automatic belt drive. An 805 mm seat, 114 kg wet weight and 4.8-litre tank make it light and easy to ride in town.
- Capacity
- 124.5 ccm
- Engine
- Single, four-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 109.0 kg
- Seat height
- 805 mm
- Power
- 11.3 HP (8.4 kW) @ 8500 RPM
What’s new for the 2021 SYM Symphony 125
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Power | 10.1 HP (7.5 kW) @ 8500 RPM | 11.3 HP (8.4 kW) @ 8500 RPM |
| Torque | 9.2 Nm (0.9 kgf-m or 6.8 ft.lbs) @ 7000 RPM | 10.3 Nm (1.1 kgf-m or 7.6 ft.lbs) @ 6500 RPM |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed primarily for commuting and short urban trips rather than performance or long-distance riding.
- Built for
- A practical, unassuming city scooter that prioritizes ease of use, fuel efficiency, and convenience over excitement.
- Not ideal for
- Not a good fit for riders wanting highway touring capability, off-road use, or spirited high-speed riding.
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 usEngine
- Capacity
- 124.5 ccm
- Power
- 11.3 HP (8.4 kW) @ 8500 RPM
- Torque
- 10.3 Nm (1.1 kgf-m) @ 6500 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1037 HP/kg (dry)
- Bore x stroke
- 52.4 x 57.8 mm
- Compression
- 10.5:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric & kick
Transmission
- Transmission type
- Automatic
- Final drive
- Belt
- Clutch
- Auto centrifugal type
Dimensions & weight
- Wheelbase
- 1328 mm
- Overall length
- 1986 mm
- Overall width
- 690 mm
- Overall height
- 1175 mm
- Seat height
- 805 mm
- Dry weight
- 109.0 kg
- Wet weight
- 114.0 kg
- Fuel capacity
- 4.80 litres
- Oil capacity
- 1.00 litres
Chassis & suspension
- Front suspension
- Telescopic fork
- Rear suspension
- Double cushions
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 225 mm
- Rear brakes
- Expanding brake (drum brake). Optional disk brake
- Rear brakes diameter
- 130 mm
- Front tyre
- 90/80-16
- Rear tyre
- 90/80-16
Other
- Color options
- Black
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 | 2010 | 2014 | 2018 | 2021 | 2022 | 2026 |
|---|---|---|---|---|---|---|
| Capacity | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc |
| Dry weight | 109 kg | 109 kg | 109 kg | 109 kg | 109 kg | — |
| Seat height | 805 mm | 805 mm | 805 mm | 805 mm | 805 mm | 805 mm |
| Fuel capacity | 4.8 L | 4.8 L | 4.8 L | 4.8 L | 4.8 L | 5.2 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 125?
The 2021 SYM Symphony 125 has a Capacity of 124.5 ccm (7.60 cubic inches).
What engine power does the SYM Symphony 125 have?
The 2021 SYM Symphony 125 has a Power of 11.3 HP (8.4 kW) @ 8500 RPM.
What is the torque of the SYM Symphony 125?
The 2021 SYM Symphony 125 has a Torque of 10.3 Nm (1.1 kgf-m or 7.6 ft.lbs) @ 6500 RPM.
How much does the SYM Symphony 125 weigh?
The 2021 SYM Symphony 125 has a Dry weight of 109.0 kg (240.3 pounds).
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