MBK YN50 specifications — approved in Switzerland
4 HP
Max power
5 Nm
Max torque
64 km/h
Top speed
162 kg
Curb weight
6MA111
| Power | 4.0 HP (2.9 kW) @ 6’250 rpm |
| Torque | 5 Nm @ 6’000 rpm |
| Top speed | 64 km/h |
| Weight/power ratio | 40.5 kg/HP |
| Displacement | 49 cm³ |
| Fuel | Petrol |
| Engine layout | 2-temp / 1 / monobloc |
| Transmission | s |
| Engine | 5BV |
| Curb weight | 162 kg |
| Gross weight | 242 kg |
| Width | 1’840 mm |
| Height | 1’138 mm |
| Body type | Scooter |
| Doors | central |
| Tires | AV= 120/70-12 51J, 3.50x12 roues intégrales-AL |
| Tires (option) | AR= 130/70-12 56L, 3.50x12 roues intégrales-AL |
| Manufacturer | YAMAHA MOTOR ESPANA SA, E-08184 PALAU DE PLEGAMANS |
| Approval date | 30/06/1997 |
| Type approval no. | 6MA111 |
6MA112
| Power | 4.0 HP (2.9 kW) @ 6’250 rpm |
| Torque | 5 Nm @ 6’000 rpm |
| Top speed | 45 km/h |
| Weight/power ratio | 40.5 kg/HP |
| Displacement | 49 cm³ |
| Fuel | Petrol |
| Engine layout | 2-temp / 1 / monobloc |
| Transmission | s |
| Engine | I5BV |
| Curb weight | 162 kg |
| Gross weight | 242 kg |
| Width | 1’840 mm |
| Height | 1’138 mm |
| Body type | Scooter |
| Doors | central |
| Tires | AV= 120/70-12 51J, 3.50x12 roues intégrales-AL |
| Tires (option) | AR= 130/70-12 56L, 3.50x12 roues intégrales-AL |
| Manufacturer | YAMAHA MOTOR ESPANA SA, E-08184 PALAU DE PLEGAMANS |
| Approval date | 30/06/1997 |
| Type approval no. | 6MA112 |
6MA146
| Power | 3.3 HP (2.4 kW) @ 6’500 rpm |
| Torque | 4 Nm @ 5’000 rpm |
| Top speed | 65 km/h |
| Weight/power ratio | 49.09 kg/HP |
| Displacement | 49 cm³ |
| Fuel | Petrol |
| Engine layout | 2-temp / 1 / monobloc |
| Transmission | s |
| Engine | A140E |
| Curb weight | 162 kg |
| Gross weight | 242 kg |
| Width | 1’840 mm |
| Height | 1’138 mm |
| Body type | Scooter |
| Doors | central |
| Tires | AV= 120/70-12 51J: 3.50x12 |
| Tires (option) | AR= 130/70-12 56J: 3.50x12 |
| Manufacturer | YAMAHA MOTOR ESPANA SA, E-08184 PALAU DE PLEGAMANS |
| Approval date | 06/01/2004 |
| Type approval no. | 6MA146 |
6MA137
| Power | 3.3 HP (2.4 kW) @ 6’500 rpm |
| Torque | 4 Nm @ 5’000 rpm |
| Top speed | 65 km/h |
| Weight/power ratio | 49.09 kg/HP |
| Displacement | 49 cm³ |
| Fuel | Petrol |
| Engine layout | 2-temp / 1 / monobloc |
| Transmission | s |
| Engine | A124E |
| Curb weight | 162 kg |
| Gross weight | 242 kg |
| Width | 1’840 mm |
| Height | 1’138 mm |
| Body type | Scooter |
| Doors | central |
| Tires | AV= 120/70-12 51J/L: MT3.50x12 |
| Tires (option) | AR= 130/70-12 56J/L: MT3.50x12 |
| Manufacturer | YAMAHA MOTOR ESPANA SA, E-08184 PALAU DE PLEGAMANS |
| Approval date | 01/11/2001 |
| Type approval no. | 6MA137 |
6MA133
| Power | 3.3 HP (2.4 kW) @ 6’500 rpm |
| Torque | 4 Nm @ 5’000 rpm |
| Top speed | 45 km/h |
| Weight/power ratio | 49.09 kg/HP |
| Displacement | 49 cm³ |
| Fuel | Petrol |
| Engine layout | 2-temp / 1 / monobloc |
| Transmission | s |
| Engine | A124E |
| Curb weight | 162 kg |
| Gross weight | 242 kg |
| Width | 1’840 mm |
| Height | 1’138 mm |
| Body type | Scooter |
| Doors | central |
| Tires | AV= 120/70-12 51J/L: MT3.50x12 |
| Tires (option) | AR= 130/70-12 56J/L: MT3.50x12 |
| Manufacturer | YAMAHA MOTOR ESPANA SA, E-08184 PALAU DE PLEGAMANS |
| Approval date | 05/12/2000 |
| Type approval no. | 6MA133 |