Engineered by Sym for the scooter motorcycle segment, the 2010 Sym Jet 4 125 pairs a 124.6 cc (7.6 cu in) air-cooled single cylinder, four-stroke architecture with road-focused gearing.
On the scales, the Jet 4 125 measures 113 kg (249 lbs) dry. Rider ergonomics and chassis geometry center around a 1,300 mm (51.2 in) wheelbase engineered for quick, flickable steering geometry.
Within MotoLibrary's Sym archive, this model family spans 4 indexed model years from 2010 to 2019, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement124.6 ccm (7.60 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsSingle cylinder, four-stroke
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
Chassis
Wheelbase1300 mm (51.2 inches)
Wheels & Brakes
Front Tyre120/60-13
Rear Tyre120/70-12
Front BrakesSingle disc
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight113.0 kg (249.1 pounds)
Overall Height1040 mm (40.9 inches)
Overall Length1900 mm (74.8 inches)
Other
StarterElectric & kick
Color OptionsYellow/black, white/black, red/black, blue/black
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.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
