| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Hyosung |
| Model Name | SF 50 Rally |
| Year | 2007 |
| Category(class) | Scooter |
| Engine |
|---|
| Engine Capacity (Displacement) | 49 ccm (2.99 cubic inches) |
| Engine Type | Single cylinder |
| Bore x Stroke | Ø41.0 mm x 37.7 mm (Ø1.61 inches x 1.48 inches) |
| Bore/Stroke Ratio | 1.09 |
| Compression Ratio | 7.2:1 |
| Stroke | 2 |
| Fuel System(Carburetion) | Carburettor. VM14SH |
| Starter System | Electric & kick |
| Cooling System | Air |
| Powertrain |
|---|
| Transmission (Final Drive) | Belt |
| Chassis/Suspension/Brakes |
|---|
| Front Brakes | Single disc |
| Front Brakes Diameter | Ø162 mm (Ø6.38 inches) |
| Rear Brakes | Expanding brake (drum brake) |
| Rear Brakes Diameter | Ø100 mm (Ø3.94 inches) |
| Front Tire | 120/90-10 |
| Rear Tire | 130/90-10 |
| Dimensions |
|---|
| Seat Height | 730 mm (28.74 inches) |
| Dry Weight | 82.0 kg (181 lb) |
| Curb Weight | 88.0 kg (194 lb) |
| Fuel Capacity | 4.30 litres (1.14 gallons) |
| Performance |
|---|
| Max Power | 3.48 HP (2.5 kW) at 6800 RPM |
| Power/Weight Ratio | 0.04 Hp/Kg |
| Top Speed | 45.0 km/h (28mph) |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | - |
| 0-60 mph | - |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
