The Yamaha Bws 12INCH is a rugged 50cc scooter with chunky 12-inch wheels and off-road styling, also sold as the MBK Booster. It uses an air-cooled 49cc two-stroke single with an automatic transmission.
Tough, simple and easy to tune, it has long been a favourite with young riders across Europe. Rivals include the Peugeot Speedfight 50 and Kymco Agility 50.
| Year | Photo | Engine | Power | Weight | Seat | Fields |
|---|---|---|---|---|---|---|
| 2015 |  |
49.2 cc | 3.2 hp | 82 kg | 768 mm | 44 |
| 2014 |  |
49.2 cc | 3.2 hp | 83 kg | 768 mm | 44 |
| 2013 |  |
49.2 cc | 3.2 hp | 83 kg | 768 mm | 42 |
| 2012 |  |
49.2 cc | 3.2 hp | 82 kg | 768 mm | 44 |
| 2011 |  |
49.2 cc | 3.2 hp | 82 kg | 768 mm | 44 |
| 2010 |  |
49.2 cc | 3.2 hp | 75 kg | 768 mm | 42 |
| 2009 |  |
49 cc | 3.2 hp | 75 kg | 768 mm | 40 |
| 2008 |  |
49 cc | 3.2 hp | 75 kg | 768 mm | 40 |
| 2007 |  |
49 cc | 3.2 hp | 75 kg | 768 mm | 44 |
| 2006 | |
49 cc | 3.2 hp | 75 kg | 768 mm | 40 |