Hyosung SF 50 Racing - 2007 Specifications and Reviews

The 2007 Hyosung SF 50 Racing is an entry-level automatic scooter suited for new and young riders seeking affordable urban commuting. With its lightweight 82kg frame, accessible 740mm seat height, and modest 3.45hp engine, it prioritizes ease of use and maneuverability in city traffic over performance.

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Engine and Transmission Specifications

GearboxAutomatic
Cooling systemAir
StarterElectric & kick
IgnitionElectronic
Bore x stroke41.0 x 37.7 mm (1.6 x 1.5 inches)
Compression7.2:1
Power3.45
Stroke2
Engine typeSingle cylinder
Capacity:49.00 ccm (2.99 cubic inches)
 
 

Physical measures and capacities

Seat height740 mm (29.1 inches) If adjustable, lowest setting.
Dry weight82.0 kg (180.8 pounds)

Hyosung SF 50 Racing dimensions and frame

Rear brakes diameter100 mm (3.9 inches)
Rear brakesExpanding brake (drum brake)
Front brakes diameter162 mm (6.4 inches)
Front brakesSingle disc
Rear tyre dimensions120/70-12
Front tyre dimensions110/70-12
 
 

Speed and acceleration

Power/weight ratio0.0421 HP/kg
Top speed45.0 km/h (28.0 mph)

CategoryScooter
Year2007
ModelHyosung SF 50 Racing

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed, silver, blue
Fuel capacity4.30 litres (1.14 gallons)

Performance Profile & Rider Fit

3.5 hp
Peak Power
28 mph
Top Speed

Best For

Track2%
City70%
Cornering30%
Daily Riding40%
Touring5%
Passenger15%

Rider Profile

Best ForThis is an entry-level moped-class scooter suited to complete beginners, learners, or those needing a basic license-friendly runabout.
PurposeBuilt purely for short, low-speed trips around town such as commuting a few kilometers, running errands, or learning basic road skills.
Rider FitIts light dry weight and low 740mm seat height make it extremely easy and unintimidating to handle for riders of nearly any size or strength.
CharacterA humble, economical little machine with a sporty scooter-style fairing, offering peppy step-through practicality rather than any real performance.
Not Ideal ForThis is not for highway travel, touring, carrying a passenger comfortably, or anyone seeking genuine speed or excitement.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2007 Hyosung SF 50 Racing Rider Ergonomics Assessment

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Feet:

At 740mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2007 Hyosung SF 50 Racing, with a moderate knee angle of around 95 degrees and a slightly forward riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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