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← Hyosung
Scooter · 2014

Prima

US$ 1799. MSRP depends on country, taxes, accessories, etc.
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MotoLibrary Score
32 /100 Commuter
Power/Weight
0.06 hp/kg
Torque
4 Nm
Engine
49 ccm

2014 Hyosung Prima Technical Analysis & Specification Breakdown

At the heart of the 2014 Hyosung Prima scooter motorcycle, Hyosung utilizes a 49 cc (3 cu in) air-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 5 HP (3.6 kW) while maximum torque reaches 3.8 Nm (2.8 lb-ft) at 6,500 rpm, transferring power to the rear wheel through a automatic gearbox and belt final drive. Internal engine geometry specifies a bore and stroke of 41.0 x 37.4 mm (1.6 x 1.5 inches) with a 7.2:1 compression ratio.

On the scales, the Prima measures 88 kg (194 lbs) dry, translating to a power-to-weight ratio of 0.06 HP/kg (17.6 kg per horsepower). Rider ergonomics and chassis geometry center around a 737 mm (29 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,285 mm (50.6 in) wheelbase engineered for quick, flickable steering geometry. The 4.73-liter (1.2 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Hyosung archive, this model family spans 2 indexed model years from 2013 to 2014, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.

Power-to-Weight
0.06 HP/kg (17.6 kg/HP)
Standover Height
737 mm (29 in)
Engine
Displacement 49.0 ccm (2.99 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Power 5.0 HP (3.6 kW))
Torque 3.8 Nm (0.4 kgf-m or 2.8 ft.lbs) @ 6500 RPM
Compression 7.2:1
Bore x Stroke 41.0 x 37.4 mm (1.6 x 1.5 inches)
Fuel System Carburettor
Cooling Air
Transmission
Gearbox Automatic
Final Drive Belt (final drive)
Clutch Centrifugal automatic clutch
Driveline CVT
Chassis
Front Suspension Telescopic fork
Rear Suspension Mono Shock Absorber (Preload adjustable)
Wheelbase 1285 mm (50.6 inches)
Ground Clearance 140 mm (5.5 inches)
Wheels & Brakes
Front Tyre 110/70-12
Rear Tyre 120/70-12
Front Brakes Single disc
Front Brake Ø 162 mm (6.4 inches)
Rear Brakes Expanding brake (drum brake)
Wheels Alloy wheels
Dimensions & Weight
Dry Weight 88.0 kg (194.0 pounds)
Power/Weight 0.0568 HP/kg
Seat Height 737 mm (29.0 inches) If adjustable, lowest setting.
Fuel Capacity 4.73 litres (1.25 US gallons)
Other
Starter Electric
Color Options Blue, red
Carrying Capacity Underseat storage
Warranty 2 Year
Notes

Also called SF50B Prima. Made in South Korea.

More from Hyosung
Buying Checklist

Before You Compare This Bike

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.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
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.
Rider Profile

Who Is This Bike For?

🟢
Beginner
A2 license compatible, manageable power.
🏙️
Best For
City & Commuting
📏
Seat Height
73.7 cm / 29 in
⚖️
Handling
Very lightweight — easy to handle
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