Scooter · 2009
SF 50B
Technical Overview
2009 Hyosung SF 50B Technical Analysis & Specification Breakdown
Positioned in Hyosung's scooter motorcycle lineup, the 2009 Hyosung SF 50B features a 49 cc (3 cu in) air-cooled single cylinder, two-stroke configuration. Internal engine geometry specifies a 7.2:1 compression ratio.
Rider ergonomics and chassis geometry center around a 1,270 mm (50 in) wheelbase engineered for quick, flickable steering geometry. The 4.16-liter (1.1 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Engine
Displacement 49.0 ccm (2.99 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Compression 7.2:1
Fuel System Carburettor
Cooling Air
Transmission
Final Drive Belt (final drive)
Chassis
Wheelbase 1270 mm (50.0 inches)
Wheels & Brakes
Front Tyre 120/90-10
Rear Tyre 130/90-10
Front Brakes Single disc
Rear Brakes Expanding brake (drum brake)
Dimensions & Weight
Fuel Capacity 4.16 litres (1.10 US gallons)
Other
Starter Electric & kick
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