At the heart of the 2011 Sym Jet 4 50 scooter motorcycle, Sym features a 49.5 cc (3 cu in) air-cooled single cylinder, four-stroke configuration. Internal engine geometry specifies a bore and stroke of 39.0 x 41.4 mm (1.5 x 1.6 inches).
On the scales, the Jet 4 50 measures 109 kg (240 lbs) dry. Rider ergonomics and chassis geometry center around a 1,300 mm (51.2 in) wheelbase engineered for quick, flickable steering geometry. The 5.2-liter (1.4 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Sym archive, this model family spans 5 indexed model years from 2010 to 2019, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement49.5 ccm (3.02 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsElectroplated ceramic cylinder
Bore x Stroke39.0 x 41.4 mm (1.5 x 1.6 inches)
Fuel SystemCarburettor
CoolingAir
Transmission
GearboxAutomatic
Final DriveBelt (final drive)
DrivelineAutomatic CVT
Performance
Emission DetailsEuro 3
Chassis
Wheelbase1300 mm (51.2 inches)
Wheels & Brakes
Front Tyre120/60-13
Rear Tyre120/70-12
Front BrakesSingle disc
Front Brake Ø226 mm (8.9 inches)
Rear BrakesExpanding brake (drum brake)
Dimensions & Weight
Dry Weight109.0 kg (240.3 pounds)
Overall Height1040 mm (40.9 inches)
Overall Length1900 mm (74.8 inches)
Overall Width665 mm (26.2 inches)
Fuel Capacity5.20 litres (1.37 US gallons)
Oil Capacity1.00 litres (1.06 US quarts)
Other
StarterElectric & kick
Color OptionsYellow/black/white, white/black, red/black/white, blue/black/white
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.
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.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
