SYM Jet X 125 - 2021 Specifications and Reviews

The 2021 Sym Jet X 125 is a practical urban scooter designed for commuters and new riders seeking affordable, fuel-efficient transportation. Powered by a reliable 124.6cc four-stroke engine with automatic CVT transmission, it delivers smooth, hassle-free riding in city environments. Known for its dependable performance and low maintenance requirements, this scooter excels as an economical daily commuter solution.

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General information

CategoryScooter
Year2021
ModelSym Jet X 125
 
 

Engine and Transmission Specifications

Emission detailsEuro 5
DrivelineCVT
Transmission typeBelt   (final drive)
GearboxAutomatic
Cooling systemLiquid
Fuel systemInjection
Torque11.0 Nm (1.1 kgf-m or 8.1 ft.lbs) @ 6000 RPM
Power12.5 HP (9.1 kW) @ 8000 RPM
Engine typeSingle cylinder, four-stroke
Capacity:124.6 ccm (7.60 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Diameter260 mm (10.2 inches)
Front brakesSingle disc
Rear tire110/80-14
Front tire100/90-14
Rear SuspensionDual Shock
Front SuspensionTelescope fork
Frame typePipe under bone

Physical measures and capacities

Fuel capacity7.50 litres (1.98 US gallons)
Wheelbase1355 mm (53.3 inches)
Overall width760 mm (29.9 inches)
Overall length2000 mm (78.7 inches)
Overall height1115 mm (43.9 inches)
Seat height770 mm (30.3 inches) If adjustable, lowest setting.
Power/weight ratio0.1123 HP/kg
Dry weight111.0 kg (244.7 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsSYM is a Taiwanese brand.
LightFull LED lighting
StarterElectric
Color optionsRed, blue, grey, brown

Performance Profile & Rider Fit

12.5 hp
Peak Power

Best For

Track5%
City90%
Cornering45%
Daily Riding85%
Touring20%
Passenger35%

Rider Profile

Best ForSuitable for beginners and licence holders looking for an easy, low-stress commuter scooter.
PurposeDesigned primarily for short urban commutes, errands, and light everyday city riding.
Rider FitIts low seat height and light, compact frame make it accessible to riders of most sizes and confidence levels.
CharacterA practical, no-fuss city scooter that prioritizes ease of use, efficiency, and modern styling over outright performance.
Not Ideal ForNot a good fit for highway touring, spirited fast riding, carrying a passenger long distances, or any off-road use.

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

Rider Fit Visualizer

2021 Sym SYM Jet X 125 Rider Ergonomics Assessment

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

Feet:

At 770mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2021 Sym SYM Jet X 125, with a moderate knee angle of around 100 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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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 Sym Jet X 125 motorcycle is a sleek and stylish option for riders looking for a reliable and efficient mode of transportation. With its 125cc engine, this bike offers a smooth and powerful ride, making it perfect for daily commutes or weekend adventures. The Jet X 125 also features a comfortable riding position and responsive handling, making it easy to maneuver through city streets or winding country roads. Overall, the 2021 Sym Jet X 125 motorcycle is a great choice for anyone in the market for a dependable and stylish ride. Its combination of power, comfort, and agility make it a versatile option for riders of all skill levels. Whether you're a seasoned rider or a beginner, the Sym Jet X 125 delivers a satisfying and enjoyable riding experience. If you're in the market for a new motorcycle, be sure to consider the 2021 Sym Jet X 125 for its impressive performance and modern design.
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