| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Yamaha |
| Model Name | Neos 4S |
| Year | 2009 |
| Category(class) | Scooter |
| Engine |
|---|
| Engine Capacity (Displacement) | 49 ccm (2.99 cubic inches) |
| Engine Type | Single cylinder, four-stroke |
| Bore x Stroke | Ø38.0 mm x 43.6 mm (Ø1.5 inches x 1.72 inches) |
| Bore/Stroke Ratio | 0.87 |
| Compression Ratio | 12.0:1 |
| Fuel System(Carburetion) | Injection |
| Ignition | TCI |
| Starter System | Electric & kick |
| Lubrication System | Wet sump |
| Cooling System | Liquid |
| Powertrain |
|---|
| Transmission (Final Drive) | Belt |
| Chassis/Suspension/Brakes |
|---|
| Front Suspension | Telescopic fork |
| Rear Suspension | Unit swing |
| Front Brakes | Single disc |
| Front Brakes Diameter | Ø190 mm (Ø7.48 inches) |
| Rear Brakes | Expanding brake (drum brake) |
| Rear Brakes Diameter | Ø110 mm (Ø4.33 inches) |
| Front Tire | 120/70-12 |
| Rear Tire | 130/70-12 |
| Dimensions |
|---|
| Overall Length | 1840 mm (72.44 inches) |
| Seat Height | 790 mm (31.1 inches) |
| Wheelbase | 1275 mm (50.2 inches) |
| Curb Weight | 95.0 kg (209 lb) |
| Fuel Capacity | 5.40 litres (1.43 gallons) |
| Performance |
|---|
| Max Power | 3.08 HP (2.2 kW) at 7000 RPM |
| Max Torque | 3.15 Nm (2.32 ft*lbs) at 7000 RPM |
| Power/Weight Ratio | 0.03 Hp/Kg |
| Top Speed | - |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | - |
| 0-60 mph | - |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
