27 October. Monday 2025
Engine and Transmission Specifications | |
| Transmission typefinal drive | Belt |
| Gearbox | Automatic |
| Cooling system | Liquid |
| Lubrication system | Wet sump |
| Starter | Electric & kick |
| Ignition | TCI |
| Fuel system | Injection |
| Bore x stroke | 38.0 x 43.6 mm (1.5 x 1.7 inches) |
| Compression | 12.0:1 |
| Torque | 3.15 |
| Power | 3.08 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 49.40 ccm (3.01 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,275 mm (50.2 inches) |
| Overall length | 1,840 mm (72.4 inches) |
| Seat height | 790 mm (31.1 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 95.0 kg (209.4 pounds) |
| | |
Yamaha Neos 4S dimensions and frame | |
| Rear brakes diameter | 110 mm (4.3 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes diameter | 190 mm (7.5 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 130/70-12 |
| Front tyre dimensions | 120/70-12 |
| Rear suspension | Unit swing |
| Front suspension | Telescopic fork |
| | |
Speed and acceleration | |
| Fuel capacity | 5.40 litres (1.43 gallons) |
| Category | Scooter |
| Year | 2009 |
| Model | Yamaha Neos 4S |
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