Yamaha Neos 4S vs MBK Booster Naked (2009)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Yamaha Neos 4Sstacks up against the MBK Booster Naked. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Yamaha Neos 4S | MBK Booster Naked |
|---|---|---|
| Model year | 2009 | 2009 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 3 hp | 3 hp |
| Torque | 3 Nm | 4 Nm |
| Weight | — | 267 kg |
| Seat height | 31 mm | 30 mm |
| Fuel capacity | 1.4 L | 1.4 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 120/70-12 / 130/70-12 | 120/90-10 / 150/80-10 |
Yamaha Neos 4S vs MBK Booster Naked — which should you buy?
Picking between the Yamaha Neos 4S and the MBK Booster Naked usually comes down to the numbers you care about most. On paper, the Yamaha Neos 4S brings 3 hp, while the MBK Booster Naked counters with 3 hp at 267 kg.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike:

