Positioned in Sym's scooter motorcycle lineup, the 2022 Sym FNX 125 pairs a 124.6 cc (7.6 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 11.3 HP (8.2 kW) at 8,500 rpm while maximum torque reaches 10.3 Nm (7.6 lb-ft) at 6,500 rpm, transferring power to the rear wheel through a automatic gearbox and belt final drive. With a specific output of 90.7 HP per liter and a 2,000 rpm working window between peak torque (6,500 rpm) and peak power (8,500 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the FNX 125 measures 125 kg (276 lbs) dry, translating to a power-to-weight ratio of 0.09 HP/kg (11.06 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,305 mm (51.4 in) wheelbase engineered for quick, flickable steering geometry. The 6.2-liter (1.6 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Sym archive, this model family spans 3 indexed model years from 2019 to 2023, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
90.7 HP/L
Power-to-Weight
0.09 HP/kg (11.06 kg/HP)
Power Band Window
6,500–8,500 rpm
Engine
Displacement124.6 ccm (7.60 cubic inches)
Engine TypeSingle cylinder, four-stroke
Power11.3 HP (8.2 kW)) @ 8500 RPM
Torque10.3 Nm (1.1 kgf-m or 7.6 ft.lbs) @ 6500 RPM
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
